48results about How to "Improve accumulation ability" patented technology

The invention discloses a method for restoring soil compositely polluted by heavy metals and organics by using a transgenic plant and is technically characterized in that foreign genes which can strengthen the efficiency for restoring the organic pollution of the plant and foreign genes which can improve the tolerance and the accumulation to a plurality of metals of the plant are introduced to the plant so as to establish a transgenic plant which has a better restoring effect on the pollution by the heavy metals and the organics. The method of the invention has a better restoring effect on the polluted soil of the three types as follows: (1) the soil polluted by organic pollutants of halohydrocarbon compounds such as trichloroethylene, dibromethane, and the like; (2) the soil polluted by various heavy metals such as Cd, Cr, Cu, Mn, Zn and Pb; (3) the soil compositely polluted by the heavy metals and the organics. In addition, the method of the invention comprises the procedures of establishing the transgenic plant, the screening and cultivation of light-demanding plants and the restoring of polluted soil by the transgenic plant. The method of the invention has broad application prospect in the restoring of the soil compositely polluted by the heavy metals and the organics.

The invention discloses an orchard soil layer management water-fertilizer-saving root and tree nurturing technical method. By combing functional characteristics of an apple root system, the method of surface layer covering, middle layer micro-complementing and lower layer water reserving is adopted, and a local stability excellent environment suitable for root growth is established, so that aims of water and fertilizer conservation, leaf protection, and root and tree nurturing are achieved.

An improved tumble drum is provided for mixing one food product with another food product, and includes a rotating tumble drum for rotating the products about a drum axis of rotation, with the drum having a product input in one end and a product output in an axial opposing end. A tumble drive motor rotates the tumble drum. Another drive mechanism reciprocates the tumble drum linearly in a direction aligned with the axis of rotation. The product is discharged from the axial opposing end of the tumble drum. A product tray is providing for inputting food product to the tumble drum, and the rotating tumble drum may be fixed to the product tray such that the drive mechanism linearly rotates both the tumble drum and the product tray in a slow forward/backward manner.

The image enhancer includes photo cathode, electron lens, micro-channel plate, and phosphor screen. Characters are that a magnetic mirror is nearly setup between the photo cathode and the electron lens. The magnetic mirror adopts micro-channel electronic bottle-plate structure, or simple magnetic mirror plus electron focusing lens structure. Being applied to micro light detecting and imaging system, the magnetic mirror device regulates speed of electrons escaped from photo cathode so as to reduce system noise. Moreover, focusing electrons, the magnetic mirror device plays function of electron lens, and increases time of accumulating light signal effectively. Under normal temperature, the disclosed image enhancer is capable of detecting weak image signal with lower illumination so as to reach purpose of improving detection limit of faint light imaging system.

The invention discloses a method and device for washing and hot mass transfer of pollutants in gas. The method comprises the following steps: (1), atomizing washing liquid; (2), mixing gas fluid containing pollutants with the atomized washing liquid so as to obtain mixed fluid; (3), after the mixed fluid is subjected to washing and hot mass transfer through a sound wave generator, carrying out gas-liquid separation, so as to obtain purified gas and washing liquid containing the pollutants. According to the method, after the pollutants with a certain energy and speed are mixed with the washing liquid, full collision, breaking, adsorption, coagulation and energy transfer are carried out in a pressure field generated by the sound wave generator, so that efficient washing and hot mass transfer of the pollutants are realized.

The invention relates to a feed additive for improving carcass performance and meat quality of finishing pigs. The feed additive is prepared from the following mixed raw materials in parts by weight: 30 to 70 parts of gamma-aminobutyric acid, 20 to 30 parts of vitamin E, 15 to 20 parts of lysine, 10 to 20 parts of curcumin and 855 to 925 parts of medical stone. A preparation method for the feed additive comprises the following steps: stirring the raw materials according to a certain proportion and uniformly mixing raw materials. The feed additive disclosed by the invention can effectively improve the carcass performance and meat quality of the finishing pigs.

The invention relates to a method for improving plant heavy metal tolerance and regulating heavy metal oriented distribution. According to the invention, for a first time, vacuolar membrane transporter protein HMT1 gene is expressed in plant, such that plant heavy metal tolerance is improved. Through tissue-specific expression of the gene, heavy metal oriented distribution in plant is realized. The gene provided by the invention can be used in plant variety improvement. With the gene, plant heavy metal resistance can be improved, heavy metal contents in different tissues and organs of plant can be regulated, heavy metal content in plant edible part can be reduced, plant reparation can be promoted, plant chlorophyll content under stresses of heavy metals such as cadmium can be increased, and the like. The invention provides a valuable gene oriented expression operation method for culturing plant novel varieties by using molecular breeding technologies such as genetic modification.

The invention provides an ADP-glucose pyrophosphorylase mutant and a screening method and application thereof. The screening method includes the steps of firstly, synthesizing first chain cDNA; secondly, performing PCR amplification; thirdly, building AGPase large and small subunit cDNA prokaryotic expression vectors; fourthly, performing active screening. The method has the advantages that distant hybridization is performed on AGPase large subunit genes and small subunit genes from different species, and the recombinant gene expression vectors are obtained in a highly-controllable manner; escherichia coli glgC mutant strains are converted and inoculated to a Conberg enrichment solid culture medium, and iodine-potassium iodide dyeing is used to screen the high-activity ADP-glucose pyrophosphorylase mutant. The screening method is simple and practical and stable and reliable. The enzyme activity and glycogen content of the ADP-glucose pyrophosphorylase mutant are evidently higher than those of wild corn AGPase, evident change of the substrate affinity of the ADP-glucose pyrophosphorylase mutant is avoided, and the sensitivity of the ADP-glucose pyrophosphorylase mutant to activating agent is increased.

The invention discloses an application of a house rubbish compound bactericide in the aspect of improving the mineral nutrition requirement in a lawn plant body. Three strains namely, bacillus subtilis, actinomycete and saccharomycete are diluted by 100-200 times so as to form the compound bactericide, wherein the volume ratio of bacillus subtilis to actinomycete to saccharomycete is 1: 1: 1. After the compost compound microorganism bactericide is sprayed, the variation tendencies of a large amount of elements (Na, K, Ca and Mg) are the same basically along with the increase of dilution multiple of the bactericide, and the influences of the compost compound microorganism bactericide on lawn plant growth due to host plant varieties and environment factors are obviously different, which is beneficial to absorption and utilization of the lawn plants on mineral elements.

The invention provides a feed additive capable of improving the quality of marine culture fish and a preparation method thereof, and belongs to the technical field of marine culture. The feed additivecomprises an organic chromium complex which contains at least two kinds of amino acid ligands, wherein the at least two kinds of amino acids are selected from methionine, cysteine, alanine, glycine,proline, glutamic acid or histidine. The preparation method comprises the following steps: preparing the organic chromium complex by a microwave heating solid phase synthesis method, and mixing the organic chromium complex with a chitosan oligosaccharide complex to obtain the feed additive, wherein sodium citrate and D-alanine are added in the microwave heating solid phase synthesis reaction. Thefeed additive provided by the invention can participate in carbohydrate metabolism in bodies, improve the immune function and anti-stress ability of animals, and improve the flavor and muscle qualityof fish to be more approximate to wild fish; and the preparation method has low energy consumption and high yield, and the prepared organic chromium complex has moderate stability.

The invention discloses a special fertilizer for tangerines and a preparation method of the special fertilizer. A production method of the special fertilizer comprises the following steps: preparing materials; metering; stirring and mixing; primary granulating; secondary granulating; enveloping; leaving from a warehouse and the like. The preparation method is realized by equipment disclosed by the invention, the invention also discloses preparation raw materials of the special fertilizer for the tangerines; the raw materials of the special fertilizer consist of the following components: humic acid, fermented bagasse, amino acid, molasses, urea, ammonium bicarbonate, a calcium magnesium phosphate fertilizer, ground phosphate rock, monoammonium phosphate, potassium dihydrogen phosphate, potassium nitrate, lightburned magnesia, a silicon-calcium fertilizer, potassium and magnesium sulfate, magnesium sulfate, calcium superphosphate, anhydrous cupric sulfate, ferrous sulfate, complexing urea zinc, a complexing boron micro element fertilizer, sodium selenite, a plant growth regulator, tea bran and a filling agent. A product disclosed by the invention comprehensively meets the demand on nutrition in the growing process of the tangerines; moreover, the aim of recycling is achieved by sufficiently utilizing local industrial wastes, and the special fertilizer has good effects of improving the yield of the tangerines, reducing the production cost and the like.

The invention relates to transgenic arabidopsis for repairing PCBs contaminated soil. The transgenic arabidopsis comprises TfdB and BphC genes from soil metagenome are subcloned; co-expressed TfdB+BphC plants are obtained through plant expression vector construction, agrobacterium-mediated plant genetic transformation, transgenic positive plant screening, PCB 28 contaminated soil repair through transgenic plants. In arabidopsis, a pathway similar to bacterial degradation PCBs is constructed to improve the tolerance of the arabidopsis to PCBs, restriction of PCB28 to plant growth is lowered, the efficiency of repairing PCBs contaminated soil through plants is improved, and a novel PCBs contaminated soil phytoremediation material is obtained; the transgenic arabidopsis has very good application prospects in reducing threat of pollutants to ecosystems and improving the PCBs phytoremediation ecological security.

The invention provides an application of protein in regulating and controlling the selenium content of plant tissues and/or organs. The protein is any one of the following proteins: a) protein with anamino acid sequence as shown in SEQ ID No.7; b) fusion protein obtained by connecting a label to an N terminal or/and C terminal of the protein as shown in SEQ ID No.7; and c) protein related to selenium metabolism and obtained by substituting and/or deleting and/or adding one or more amino acid residues to the amino acid sequence as shown in SEQ ID No.7. The selenium content of the plant tissuesand/or organs is regulated and controlled to increase the selenium content of the plant tissues and/or organs. The selenium content in the plant tissues and/or organs is regulated and controlled to increase the selenium content in the plant tissues and/or organs. The organs are seeds; and plants are spermatophytes.

The invention discloses a method and device for preparing a special fertilizer for oil tea. The preparation method comprises the following steps: preparing materials, metering, stirring, mixing, performing primary granulation, performing secondary granulation, encapsulating, taking out of storage and the like. The production method needs to be implemented by the device disclosed by the invention. The invention also discloses raw materials for preparation of the special fertilizer for oil tea. The raw materials comprise the following components: humic acid, treacle waste liquid, amino acid, urea, ammonium hydrogen carbonate, calcium magnesium phosphate fertilizer, ground phosphorite, monoammonium phosphate, potassium dihydrogen phosphate, potassium nitrate, quicklime, calcium nitrate, potassium magnesium sulfate, magnesium sulfate, calcium superphosphate, anhydrous cupric sulfate, ferrous sulfate, complex urea Zn, complex B trace element fertilizer, sodium selenite, plant growth regulator, tea bran and filler. The product disclosed by the invention comprehensively satisfies the requirements for nutrition in the oil tea growth process, fully utilizes local resources to achieve the purpose of cyclic utilization, and achieves obviously excellent effects in the aspects of increasing the oil tea yield, oil content and unsaturated fatty acid content, lowering the production cost and the like.

Means for conveying hot granular material from a loading zone to an arc melting furnace (3), comprising a horizontal trough (1), trough vibration generators that cause the granular material to move along the trough, a sluice gate (4) to regulate the material flow in the discharge zone and a sluice gate to regulate the material flow in correspondence with the loading zone. Separating baffles (5) are arranged inside the conveyor trough defining cells in which the granular material accumulates and considerably improving the effectiveness of the action of the gases that are forced through the granular bed, for instance to prevent oxidation of the hot DRI or to perform an additional reduction process.

A method for fabricating a photodiode of a CMOS image sensor is disclosed, to improve a charge accumulation capacity in the photodiode, which includes the steps of defining a semiconductor substrate as an active area and a field area by forming an STI layer; firstly implanting impurity ions for formation of the photodiode to the semiconductor substrate of the active area; secondarily implanting impurity ions for formation of the photodiode to the semiconductor substrate being adjacent to the STI layer; and forming a photodiode ion-implantation diffusion layer by diffusing the implanted impurity ions with a thermal process.

The invention discloses two WRKY transcription factor genes in rice and an application research of encoded proteins of the two WRKY transcription factor genes, and shows that OsWRKY21 and OsWKRY108 genes play a role under a phosphorus-rich condition, and the encoded proteins can be combined with a rice phosphate transport protein gene OsPHT1 1 promoter, then OsPHT1:1 transcription level is regulated and controlled, so that the absorption and accumulation of phosphorus in rice and maintains can be promoted, and the steady state of phosphorus in rice is kept. Under a phosphorus-rich condition, the accumulation of phosphorus in pht1:1 and wrky21, wrky108 mutants nutritional organs and grains is reduced. Therefore, the invention provides a method for cultivating a rice variety with reduced phosphorus luxury absorption under a phosphorus-rich condition by utilizing OsWKRY21 and OsWKRY108.

A problem of the present invention is to obtain a preparation which shows markedly enhanced effectiveness and safety by exhibiting high accumulability at diseased areas and having the blood concentration maintained at a constant level without individual differences, and for which the control of the dosage depending on the blood kinetics (blood trough concentration) becomes unnecessary. The invention relates to a polymeric derivative of tacrolimus including a copolymer of a polyethylene glycol segment and a polymeric moiety, in which a carboxy group in a side chain of the copolymer is bonded to an alcoholic hydroxy group of tacrolimus.

The invention belongs to the technical field of green vegetable planting, and particularly relates to a planting method for improving the nutritional quality of summer green vegetables. Themethod comprises the steps that (1) at the beginning of July, a planting place with a fore-rotating crop of rapeseed is selected,bio-organic fertilizers of cow dung and grape skin are applied, shallow ploughingis conducted, and farmlands are made; (2) in mid-July, the seeds of the full-bodied green vegetables are irradiated with 60Co-gamma rays,immersed in a soaking agent, and irradiated with the 60Co-gammarays to obtain seeds of the green vegetables to be sown; (3)the seeds of the green vegetables to be sown are sown in the planting area, two micro-spraying treatment is conducted after emergence, first foliar application of a nutrient solution is conducted after the growth of 1-2 true leavesof the green vegetable seedlings, and second foliar application of the nutrient solution is conducted after13-15 days;the emergence rate and emergence index are effectively improved,the content of nutrients such as carotene, cellulose, vitamin C, protein and the like in the green vegetables is improved, the content of harmful components such as nitrite, cadmium, mercury, arsenic and the like is reduced, and the green vegetables are green, hygiene, nutritious and healthy.