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 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.

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 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 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 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 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 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.