101results about How to "Strong patience" patented technology

The invention relates to phytoremediation for heavy metal polluted soil, in particular to a method for utilizing combined reinforced measures to remedy cadmium-polluted soil. The method is to apply an ammonium fertilizer in the soil to be remedied, plant maidenhair, add a chelating agent into the soil when the maidenhair is grown to the flowering period or the maturation period, and completely remove the plants after the plants are grown for 10 to 15 days so as to achieve the aim of remedying the cadmium-polluted soil. The method not only can obviously relieve the harm of the chelating agent on the plants but also can obviously improve the reinforced remedying effect of the chelating agent by applying the acid fertilizer so as to accelerate the phytoremediation process of the cadmium-polluted soil. Moreover, the method has the advantages of low remediation cost, high remediation efficiency, strong maneuverability, small environmental risk and the like, and can beautify the environment when simultaneously treating the polluted soil.

The invention discloses a method for jointly repairing vegetation and application thereof. The method comprises the steps of: (1) planting shrubs; (2) covering soil, and sowing seedlings of resistant herbaceous plants or planting seedlings of herbaceous plants; and (3) sowing moss. The method has low cost and remarkable effect, can avoid or control the pollution of heavy metal, can avoid and fix sands or conserve water and soil, and plays an important part in protecting environment.

Disclosed are semiconductor devices and methods of manufacturing the same. The semiconductor device includes: a first conductive type semiconductor layer including a first lower conductive type semiconductor layer and a first upper conductive type semiconductor layer; a V-pit passing through at least one portion of the first upper conductive type semiconductor layer; a second conductive type semiconductor layer placed over the first conductive type semiconductor and filling the V-pit; and an active layer interposed between the first and second conductive type semiconductor layers with the V-pit passing through the active layer. The first upper conductive type semiconductor layer has a higher defect density than the first lower conductive type semiconductor layer and includes a V-pit generation layer comprising a starting point of the V-pit. The semiconductor device includes the V-pits having a large size and a high density to efficiently preventing damage to the semiconductor device due to electrostatic discharge.

The invention discloses a strain penicillium oxalicum with high-efficiency phosphate solubilizing characteristic, which is classified and named as Penicillium oxalicum. The penicillium oxalicum has been preserved in the China General Microbiological Culture Collection Center (CGMCC) with the preservation number: CGMCC NO.7699. The invention further discloses tolerance of high-efficiency phosphate-solubilizing penicillium oxalicum to heavy metals. The strain has strong dissolving effect on insoluble phosphate tricalcium phosphate, magnesium phosphate and aluminum phosphate under the condition of shake-flask liquid culture condition, the dissolving effect on the tricalcium phosphate and magnesium phosphate can reach 100%, and the dissolving effect on the aluminum phosphate can reach 95.5%. The penicillium oxalicum is respectively inoculated into liquid culture liquor containing heavy metals such as Pb<2+>, Zn<2+>, Cr<2+>, Mn<2+>, Cu<2+>, As<5+> and Cd<2+>, has strong resistance to the heavy metals, especially, the concentration of tolerance to the Pb<2+>, Zn<2+>, Cr<2+> and Mn<2+> can respectively reach 2000mg / L. Therefore, the penicillium oxalicum can provide excellent strain resources for developing heavy metal-resistant high-efficiency phosphate-solubilizing bacteria agents.

An insect-adhering adhesive for preventing and controlling pests is prepared from rosin, castor seed oil and paraffin wax through proportional mixing. It has high and durable adhesion.

The invention discloses a method for improving vegetation containing lead tailing sand. White popinac is planted in soil containing the lead tailing sand in a direct transplantation manner, survives and grows to a harvesting seedling stage, and is processed together. The method includes (1) flattening a sample plot and punching planting holes; (2) mixing montmorillonite, chicken manure and straw to prepare a modifier, and filling the modifier into the planting holes; (3), planting the white popinac in the planting holes; and (4) periodically harvesting overground parts of the white popinac and processing the harvested overground parts of the white popinac together. The mass ratio of the montmorillonite to the chicken manure to the straw is 2:1:0.1. The method is wide in application range and remarkable in effect, the content of lead in the lead tailing sand is effectively reduced, and purposes of repairing and improving the lead tailing sand are achieved.

The method for repairing arsenium-contaminated environment is characterized by that the spora of pteris cretica can be directly sown into the arsemium-contaminated environment (soil, tails and wet land) or the seedling-dividing mode is adopted to transplant the seedlings of pteris cretica into the arsenium-contaminated environment (soil, tails, wet land and water), the root system of pteris cretica can be used for mass-absorbing arsenium from environment and conveying it to aerial portion, and when the plant is grown to 30-50 cm height, said plant can be moved away and can carry away lots of arsenium so as to attain the goal of repairing arsenium-contaminated environment.

Provided are a display element manufacturing apparatus for forming a highly reliable drive circuit or thin film transistor on a flexible substrate, a manufacturing method, and a highly reliable display element. A display element (50) comprises a flexible substrate (FB), first and second partitions (BA) formed by pressing the flexible substrate, a lyophobic face (PJ) applied to the surfaces of the first and second partitions, and electrodes (S and P) formed by applying a liquid droplet to a groove between the first and second partitions. Alternatively, a lyophilic face may also be formed on the surface of a groove (GR) between the first and second partitions (BA).

The invention belongs to wetland purification technology for wastewater and relates to a method for efficiently purifying heavy metal polluted wastewater by combining wetland plants. Six wetland plants are cultured in an artificial wetland, namely Echinochiloa crus-galli, Alternanthera philoxeroides, Zizania latifolia, Monochoria vaginalis, Iachne globosa and Polygonum hydropiper according to a culture ratio of 1:2:1:3:2:3. The purification rate for six main heavy metal pollution elements (Cd, Pb, Zn, Cu, Cr and Ni) in the wastewater is over 92 percent.

The invention relates to the technical field of plant remediation of oil-contaminated soil, in particular to a method for treating and remediating oil-contaminated soil by using gaillardia aristata pursh flower plants. The method is to plant gaillardia aristata pursh in oil-contaminated soil. When the total petroleum hydrocarbon concentration of the soil is 10,000mg / kg, the growth amount of the plants is not inhibited basically, and the gaillardia aristata pursh can effectively degrade the total petroleum hydrocarbon in the oil-contaminated soil through the combined functions of the developed roots and root microbes to reduce the total petroleum hydrocarbon content in the contaminated soil. When the gaillardia aristata pursh is planted for 90 days, the degradation rate of the total petroleum hydrocarbon content in the contaminated soil can reach 56.63 percent which is nearly 4 times a blank natural degradation rate which is 15.49 percent. This proves that the gaillardia aristata pursh has high oil contamination resistance and high total petroleum hydrocarbon degradation capability. Thus, the total petroleum hydrocarbon in soil can be effectively removed by planting the gaillardia aristata pursh in the oil-contaminated soil, and removing all plants and well treating the plants in a centralized manner after the plants are mature.

The invention relates to technology for safely planting crops in a cadmium polluted soil environment, in particular to a method for safe production in cadmium polluted soil by utilizing a low cadmium accumulation type celery cabbage. The above-ground part of the low cadmium accumulation type celery cabbage can reject the absorption of the cadmium in the cadmium enriched polluted soil, and the root can fix and adsorb the cadmium in the soil, so that the cadmium is prevented from being transferring upward to the above-ground part. The above-ground part of the celery cabbage is safe to be eaten or sold, and the root is carefully treated, so that the safety of the vegetable food is ensured, and the inedible part(the root) can also be used for fixing and adsorbing a large amount of cadmium in the soil; and by repeatedly planting the vegetable, the excessive cadmium in the polluted soil can be continuously removed, and the cadmium content in the edible part of the celery cabbage also meets the standard of the green safe vegetable. The technology has the advantages of low cost, no damage to physical-chemical properties of the soil, no secondary pollution, the realization of the combination of vegetable-planting and cadmium-removal in the polluted soil and the like.

The invention discloses a high-yield lactic acid bacterium which is Enterococcus mundtii HNMD-25, is collected in China general microbiological culture collection center (CGMCC), and has a collection number of CGMCC NO.8699. The invention further discloses application of the high-yield lactic acid bacterium to preparation of calcium lactate by fermenting calcium sources and a method for preparing calcium lactate by using eggshells. According to the method for preparing calcium lactate, provided by the invention, the eggshell utilization rate is high and reaches 77.98%, and about 2.5kg of calcium lactate pentahydrate can be prepared from 1kg of the eggshells; the glucose conversion rate is high, reaches 79.3% at most and is higher than that of common industrial strains; the calcium lactate purity is high and can be higher than 99% after fermentation products are refined.

The invention is aimed at the phenomena that an acidic waste storage yard of a non-ferrous metal mine is bare and barren due to the fact that pollutants are high in content and high in acidity. The following measures are taken to recover the vegetation of the area: (1) waste on the surface, calcium oxide and slag are mixed evenly and are maintained for 2-3 weeks; (2) a layer of sludge from a sewage processing factory or bottom mud generated in the dredging process of rivers, lakes and reservoirs is laid, then a layer of the calcium oxide is laid, and maintenance lasts for 4-5 weeks; (3) natural pioneer dominant plant species of the specific mine area are adopted, and then a natural recovery method is adopted to achieve the purpose of recovering the vegetation of the mine area. The method for recovering the vegetation of the acidic waste storage yard of the non-ferrous metal mine has the advantages of being easy and convenient to operate, low in cost and recyclable in waste.

The present invention provides a water-based gloss topcoat. The water-based gloss topcoat comprises a component A and a component B; the component A comprises, by weight, 50-110 parts of waterborne hydroxy acrylic resin, 3-6 parts of a cosolvent, 0.2-0.5 part of a wetting agent, 0.2-0.5 part of an antifoaming agent, 0.2-0.6 part of a thickener, 0.3-0.5 part of a mildew inhibitor, 0-25 parts of a color paste, and water; and the component B comprises, by weight, 60-110 parts of hydrophilic modified isophorone diisocyanate and hexamethylene diisocyanate, 15-30 parts of propylene glycol methyl ether acetate and 0.5-2 parts of a water scavenger. The water-based gloss topcoat provided by the invention has the advantages of high brightness, environmental protection, good yellowing resistance, high hardness, high water resistance and high chemical resistance; and the water-based gloss topcoat has high tolerance to the temperature, and can be cured at room temperature without seeds, and a filmformed by the gloss topcoat has high fullness, has almost no dark bubbles, thereby the gloss topcoat is very suitable for the coating production of toilet and bathroom cabinets.

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 seed selection method for drought and heat resistant cymbidium hybridum. The method comprises the following steps: (1) carrying out the screening and parent selection on seed sources according to the standard of drought and heat resistance; (2) hybridizing the parents which have the drought and heat resistant characteristic and are selected in the step (1); (3) carrying out the seed asepsis culture; (4) carrying out the filial generation culture; and (5) carrying out the breed screening of the filial generation according to the standard of drought and heat resistance so as to complete the seed selection. The seed selection method for drought and heat resistant cymbidium hybridum can make full use of cymbidium hybridum resources at both home and abroad to culture a new cymbidium hybridum species with the proprietary intellectual property rights. The new cymbidium hybridum has the advantages of draught resistance, high temperature resistance, and adaptation to be implanted in North China.

The invention relates to an environmental contaminate phytoremediation technology, in particular to a method utilizing liana honeysuckles to remedy cadmium contaminated soil, which solves the problems of slow growing, small overground biomass, long remedy time and the like in the existing method for remedying plants growing in the cadmium contaminated soil. The method is that: honeysuckles are grown in the heavy metal cadmium contaminated environments (water bodies and soils), a better growing state can be maintained, the obvious poisoned symptom is not generated, and significantly different biomasses are not caused, the roots of the honeysuckles can absorb a great quantity of enrichment cadmium which contaminates the environment, and transfer the cadmium to the overground parts, so the cadmium accumulation amount of the overground parts exceeds the critical content standard 100mg / kg of the Cd super enrichment / accumulator plant, the concentration factor is more than 1, and the essential characteristics of the super enrichment / accumulator plant are obtained. The adopted method has low cost, is simple to operate, does not cause secondary pollution, is easy for aftertreatment, can effectively increase the green quantity and improve the ground landscape and the like while treat the environmental pollution.

The invention relates to phytoremediation technology for treating polluted environment, in particular to a method for reparing cadmium-polluted earth by using a cadmium-enriched flower, namely Bellis perennis. The method utilizes root systems of the cadmium-enriched plant Bellis perennis to absorb cadmium enriched in the polluted earth in large amount, transfers the cadmium upward to the overground part, integrally removes the plant and properly treats the plant when the plant grows to the blossom time, thereby the plant absorbs and removes a large amount of the cadmium from the earth; and by repeatedly planting the plant and repeating the process, excessive cadmium in the earth can be continuously extracted until the content of the cadmium achieves the environment safety standards. The method has the advantages of small engineering quantity, no destruction to physicochemical property of the earth, no secondary pollution, beautifying the environment beautification while treating the polluted earth, and the like.

The invention provides an enrichment culture method of ammonia-oxidizing archaea in a sewage treatment system. The enrichment culture method comprises the following steps: A, preparing an enrichment culture medium of an ammonia-oxidizing bacteria flora; B, carrying out enrichment culture onto an ammonia-oxidizing bacteria flora, wherein a biological membrane or active sludge containing the ammonia-oxidizing archaea is inoculated in the enrichment culture medium; C, preparing an enrichment culture medium of the ammonia-oxidizing archaea, wherein antibiotics are added into the enrichment culture medium of the ammonia-oxidizing bacteria flora; and D, carrying out enrichment culture on the ammonia-oxidizing archaea, wherein a filter is used for filtering an enrichment culture solution and then transferring into the enrichment culture medium of the ammonia-oxidizing archaea in the step C to obtain the enrichment culture solution of the ammonia-oxidizing archaea with a higher purity. Possibility is provided for researching physiological and biochemical characteristics of the ammonia-oxidizing archaea by the enrichment culture solution of the ammonia-oxidizing archaea with the higher purity; the ammonia-oxidizing archaea has stronger tolerance; if the ammonia-oxidizing archaea is introduced to an ammonia-oxidizing enhancing technology, important practical significance is provided for improving biological denitrification capacity of the sewage treatment.

The invention relates to the field of microorganism application and environment protection and in particular relates to a phosphorus-solubilizing and cadmium-reducing microorganism bacterium agent anda preparation method thereof. The invention provides the microorganism bacterium agent with phosphorus-solubilizing and cadmium-reducing effects and the preparation method thereof; the microorganismbacterium agent is prepared from the following components: 15 to 30 parts of a compound bacterium agent and 70 to 85 parts of a carrier, wherein the compound bacterium agent contains 0.25 to 1.5 billion cfu / g of bacillus methylotrophicus, 0.10 to 0.50 billion cfu / g of ralstonia eutropha and 0.05 to 0.40 billion cfu / g of paecilomyces lilacinus; the carrier is powder obtained by drying and sieving turf and diatomite, wherein the turf has the advantages of improving water retention, ventilation and fertilizer retention capabilities of soil; the diatomite has the advantages of strong adsorption performance, neutral pH (Potential of Hydrogen) and no toxin, good mixing uniformity and the like. The phosphorus-solubilizing and cadmium-reducing microorganism bacterium agent provided by the invention is powdery; when being applied in a land preparation process, the phosphorus-solubilizing and cadmium-reducing microorganism bacterium agent can be used for effectively improving the fertility of the soil and increasing the content of effective phosphorus capable of being absorbed by crops in the soil; meanwhile, the mobility of cadmium ions is reduced through the metabolic activity of microorganisms and the absorption of the crops on the cadmium ions is reduced.

The invention provides fusarium oxysporum which is classified as fusarium. The fusarium oxysporum is preserved in the China General Microbiological Culture Collection Center on November 30, 2015, and a preservation number of the fusarium oxysporum is CGMCC 11607.Specifically, a ITS1-5 .8S-ITS2 sequence of the fusarium oxysporum is shown as SEQ ID NO:1. The invention further provides a bioremediation agent comprising the fusarium oxysporum and provides application of the fusarium oxysporum or the bioremediation agent to phytoremediation of heavy metal contaminated soil. The provided fusarium oxysporum which is a plant endophytic fungus is high in resistance to heavy metals and safe and environment friendly in remediation of the heavy metal contaminated soil.

The invention discloses a method for treating sewage by constructing an artificial wetland with vetiver grass, comprising the following specific steps: a, growing seedlings; b, constructing a wetland; and c, guiding the sewage. The bed wall and the bottom of the wetland constructed by the method disclosed by the invention are waterproof structures for preventing the sewage from leaking to pollute the underground water. Gangue, brick bats, coal cinder and gravel are used on the wetland bed as compound matrix to fill the wetland; the compound matrix is capable of adsorbing, filtering and stopping suspended solids in the sewage; the vetiver grass is planted at the row spacing of 40 cm*40 cm, so that enough space is remained for the vetiver grass to tiller and grow; and the vetiver grass may not grow sparsely. After the artificial wetland is constructed by the method disclosed by the invention, the removal effect on SS (Suspended Solids), TN (Total Nitrogen), COD (Chemical Oxygen Diode) and BOD (Biological Oxygen Diode) in domestic sewage is good, and the quality of the yielding water is up to the national drainage standard.

The invention discloses a making method of an ultraviolet-proof cotton fabric. The method comprises the steps that firstly, chitosan is modified for preparing a modified chitosan dispersion solution,then zinc oxide is modified for preparing a modified zinc oxide dispersion solution, a cotton fabric is pretreated, subjected to padding in the modified chitosan dispersion solution for 30-50 min, roasted and then subjected to padding in the modified zinc oxide dispersion solution for 30-50 min, and circulation padding is conducted one or more times. The made cotton fabric has a good ultraviolet-proof effect and is durable, good in washing resistance, simple in process, capable of easily achieving industrialization and suitable for application and popularization.

The invention discloses a method for reducing heavy metal pollution diffusion of soil around a mine, and belongs to the technical field of heavy metal pollution treatment around the mine. The method is implemented in a gentle slope zone between a non-ferrous metal mining area or a tailing pond and a surrounding farmland. Arbor, shrub and herbaceous plants resistant to heavy metals are reasonably matched and planted to construct an ecological isolation belt based on natural vegetation, so migration of various heavy metals in the environment is reduced, ecological landscapes around a mining areacan be improved, soil is stabilized, heavy metal diffusion is controlled, the surrounding farmland soil environment quality and grain safety are guaranteed, and the threat of pollution to human health is reduced.

The invention discloses a multi-surface treatment process for a PCB. The multi-surface treatment process comprises the following steps: 1, arranging a barrier film on the surface of the PCB; 2, coating the BGA area of the PCB with selective ink resistant to nickel-gold deposition liquid medicine; 3, carrying out nickel-gold deposition treatment on the PCB; 4, covering the PCB with a blue protective film; 5, carrying out hard gold electroplating treatment on the PCB; 6, removing the blue protective film and the selective ink on the surface of the PCB; and 7, carrying out OSP surface coating onthe PCB. According to the various surface treatment processes of the PCB, the selective ink is matched with the blue protective film; the three surface treatment processes of nickel-gold deposition, hard gold electroplating and organic coating are orderly applied to the same PCB, so that the BGA area in the PCB is good in surface mounting performance, the golden finger or key area is resistant toabrasion and plugging, and the whole PCB is high in tolerance to the environment and meets the lead-free assembly requirement.

The invention relates to the field of plant remediation technology for soil contaminated by PAHs, specifically to a remediation method for soil contaminated by PAHs by using the gramineous plant Festuca arundinacea. The gramineous plant Festuca arundinacea is planted in soil contaminated by PAHs; in the process of germination, growth and maturation of the plant, PAHs in the soil are degraded, removed or substantially reduced through combined action of the growth process and root exudates of the plant. According to the method, the ornamental plant Festuca arundinacea is planted in the soil contaminated by PAHs for remediation of the soil contaminated by PAHs; compared with a traditional contaminated soil treatment method, the method provided by the invention has the advantages of small investment, small work amount, low technical requirements, etc. Moreover, as Festuca arundinacea is an ornamental and economic plant, planting of Festuca arundinacea enables PAHs contamination in environmental soil to be effectively degraded and contaminated plants not to enter into a food chain, thereby utmostly reducing ecological risks caused by treatment of the contaminated soil.

The invention provides an efficient method for repairing uranium contaminated soil by plant extraction. The method comprises the following steps: (1) preparing uranium contaminated soil, and applyingbase fertilizer; (2) sowing ramie seeds which are XiangZhu No.7; (3) applying growing fertilizer after the seeds sprouts and grows out new leaves; and (4) cutting the grown ramies. The method can be used for efficiently repairing uranium contaminated soil, and is an economical and convenient uranium contaminated soil repairing method with high efficiency and good ecological efficiency since the ramie does not enter the food chain, has quick growth, large biomass, developed culture technology, complete plant protection measure, strong resistance and small rhizome size, is convenient for cuttingand concentrated treatment, and does not have the problem of biological invasion.

The invention relates to a waterproof and soundproof multifunctional floor board which is formed by mutually connected floor plates. The multifunctional floor board includes a sound absorbing layer formed by a cork wood material to reduce noise among layers and improve walking comfort; a first liner layer which is laminated on the abovementioned sound absorbing layer to enhance the physical property of the abovementioned sound absorbing layer and improve balance and strength, is closely laminated and thus has bonding force; a waterproof plate layer laminated on the abovementioned first liner layer and formed by waterproof material having tolerance to water; a second liner layer which is laminated on the abovementioned waterproof plate layer to enhance the physical property of the abovementioned waterproof plate layer and improve balance and strength, is closely laminated and thus has bonding force; a surface decoration layer which is laminated on the abovementioned second liner layer and can realize wood texture and veins; and a surface protection layer which is laminated on the abovementioned surface decoration layer and presents the wood texture and veins on the abovementioned surface decoration layer, and is formed in the form of a transparent plate to bear external impact and realize waterproofness. The waterproof and soundproof multifunctional floor board provided by the invention has an excellent sound attenuation effect and waterproof effect.

The invention discloses a special weeding pad and weeding method for a tea-oil tree. The special weeding pad for the tea-oil tree comprises a weeding pad body made of anti-aging weaved cloth; the weeding pad body is square, and the side length is 1000 to 1500 millimeters; a notch is formed in the center of the weeding pad body, and one end of the notch extends to the edge of the weeding pad body so that the tea-oil tree seedling can move to the central notch through the edge of the weeding pad body; the anti-aging weaved cloth is composed of 85-86 parts of polypropylene, 4-4.5 parts of anti-aging master batch, 2-5 parts of carbon black and 7-9 parts of ethylene by weight through drawing and knitting. After covering the special weeding pad, the special weeding pad can play a role of inhibiting grass growth for more than 4 years, and the problems of difficulty in manual weeding, high weeding cost, time waste, labor waste, environment pollution of chemical weeding and the like of the tea-oil tree from the seedling period to the forest establishment can be solved.

The invention relates to vegetable restoration of heavy metal composite contaminated soil, and in particular relates to a method for restoring Cd-Zn-Pb composite contaminated soil by virtue of strengthening measures. The method comprises the following steps of planting vegetable crops such as green soy beans and spinach in soil to be restored in successions according to seasons; adding a chelating agent EDTA to the soil when the green soy beans and spinach grow to a mature period; integrally removing the vegetables after the crops grow for 10-15 days to achieve the purpose of restoring Cd-Zn-Pb composite contaminated soil. According to the method provided by the invention, EDTA is applied, so that not only can heavy metal contaminants in the soil be activated, but also the restoring effect of the vegetable crops to Cd-Zn-Pb can be remarkably improved so as to accelerate a process of restoring the Cd-Zn-Pb composite contaminated soil by the plants. The method has the advantages of low restoring cost, high restoring efficiency, strong operability and low environment risk, and the like.