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129results about How to "Tolerated" patented technology

Filter unit for wastewater treatment and production of drinking water

A filter unit for sewage treatment and drinking water provision and components which are suitable for the production and the use of such filter units are described. The filter unit has at least one ceramic filter(3) and at least one holder for liquid-tight fixing of the filter in the holder(2), the filter being fixed in the holder by adhesive bonding with the aid of an adhesive. At the same time, the holder is adjusted to the design of the filter, especially to its design as a flat filter. A separate filtrate collecting channel (21)and a holding device (18)for the filter units or other components allow the provision of a finished filter system which is also suitable for retrofitting of already existing plants.
Owner:ITN NANOVATION AG

Antibacterial lipopeptide of endophytic Bacillus subtilis and separation and purification method

The invention relates to an extracellular antibacterial lipopeptide of plant endophytic Bacillus subtilis Jaasedl and a separation and purification method. The distribution range of the molecular weight of the extracellular antibacterial lipopeptide is mainly between 1,000Da and 2,200Da. The extracellular antibacterial lipopeptide contains an Iturin homologue, a Fengycin homologue and a Surfactin-like Compound homologue. The extracellular antibacterial lipopeptide is a group of uncommon antibacterial lipopeptide mixture produced by a single bacterial strain. The separation and purification method of the extracellular antibacterial lipopeptide comprises the following steps of: after salting out to obtain the crude extract of the antibacterial lipopeptide by using ammonium sulfate from the fermentation liquor of the endophytic Bacillus subtilis Jaasedl, performing Sephedex G-25 molecular sieve chromatography, Cellulose DEAE-52 anion exchange chromatography and FPLC300SB-C18 column chromatography successively, wherein 34 to 37 min of collecting peak has bacteriostatic activity; detecting by Tricine-SDS-PAGE after concentrating; and achieving electrophoretically pure at only one strip to obtain pure extracellular antibacterial lipopeptide. The antibacterial lipopeptide has extremely high research and application value for the development of broad-spectrum antifungal medicaments, and has wide application prospect for natural quality protection of crops and pesticide residue reduction.
Owner:JIANGSU ACAD OF AGRI SCI

Soil heavy metal activating microbial inoculum and preparation method and application thereof

ActiveCN105219668AImprove extraction repair rateLower pHBiocidePlant growth regulatorsGrowth promotionSoil heavy metals
The invention discloses a soil heavy metal activating microbial inoculum and a preparation method and application thereof. Trichoderma viride, urease bacillus and bacillus mucilaginosus are high in tolerance to various heavy metals, and owing to a synergistic effect of bacterial strains, activation of the heavy metals in soil, promotion of plant absorption of the heavy metals and improvement of heavy metal pollution remediation efficiency of plants are realized. By adoption of organic wastewater as a raw material, heavy metal migration activity is further improved. Moreover, the soil heavy metal activating microbial inoculum is high in stability of application effects, the preparation method is simple and low in cost, and integration of heavy metal remediation, pest control and growth promotion for yield increase are realized.
Owner:FUJIAN SANJU BIOLOGICAL SCI & TECH +1

Bacillus amyloliquefaciens, microbial inoculum as well as application of bacillus amyloliquefaciens in treating kitchen wastes

The invention discloses bacillus amyloliquefaciens A18 with a preservation number of CCTCC NO: M 2018135 and a 16S rDNA sequence as shown in SEQ ID NO: 1. The invention also discloses a preparation method of the bacillus amyloliquefaciens, a liquid microbial inoculum and a solid microbial inoculum thereof, and application of the bacillus amyloliquefaciens in treating kitchen wastes. The bacillus amyloliquefaciens provided by the invention can rapidly degrade starch and protein with high contents in kitchen wastes and inhibit odor generation, can be used for rapid treatment of the kitchen wastes, and realizes rapid biological reduction and stabilization of the kitchen wastes.
Owner:SHENZHEN MICRON BIOTECH CO LTD

Coating composition, preparation method and zinc plating passivating material thereof

The invention provides a coating composition, which comprises trivalent chromium compounds, auxiliary filming agents, acid, dissoluble zinc salt and water, wherein the amount of the acid meets the requirement that the pH value of the coating composition is between 1 and 3. The invention also provides a preparation method of the coating composition, which comprises the following step: uniformly mixing the trivalent chromium compounds, the auxiliary filming agents, the acid, the dissoluble zinc salt and the water, wherein the adding amount of acid meets the requirement that the pH value of the coating composition is between 1 and 3. The invention also provides a zinc plating passivating material, which comprises a base material, a zinc plating layer and a passivating layer, wherein the zinc plating layer and the passivating layer are sequentially attached to the surface of the base material, and the passivating layer is a product obtained after the coating composition is dried. The passivating layer formed on the zinc plating material of the coating composition has the effect that the zinc plating material can also realize the corrosion resistance for a long time without being coated with an antirust oil film and has good attaching performance. The method of the invention omits the working procedures of coating and antirust oil removal, improves the production efficiency, saves the production time, and reduces the cost.
Owner:PANGANG GROUP VANADIUM TITANIUM & RESOURCES +2

Bacillus subtilis with antibacterial activity and application of bacillus subtilis

The invention discloses bacillus subtilis JYM841 with antibacterial activity. The bacillus subtilis is preserved in a China center for type culture collection in January 10, 2014, and the preservation number is CCTCC NO: M 2014012. The bacillus subtilis JYM841 has a strong inhibitory effect on staphylococcus aureus and candida albicans, is high in antibacterial activity, wide in antibacterial spectrum, high in enzyme production, sensitive to bacterial antibiotic, drug-resistant to fungal antibiotic, high in heat-resisting ability and tolerant to acid and alkaline, has high antibacterial activity after treated at the temperature of 100 DEG C for 20min, and has tolerance to various enzymes such as trypsin, papain and protease K. An acid and alkali resistant pH (potential of hydrogen) value ranges from 6 to 10, and metabolite is stable, so that the bacillus subtilis can be applied to preparation of medicines for treating genital tract infection.
Owner:山东宝来利来生物工程股份有限公司

Bio-control bacillus subtilis surfactin separation and purification method

The invention relates to a bio-control bacillus subtilis Bs916 extracellular antibiotic lipopeptide surfactin and a separation and purification method thereof. The molecular weight of surfactin is 1007.6, 1021.7 and 1035.7, and belongs to homologues with difference of one methylene. The separation and purification method comprises the following steps: constructing a mutant strain BBFM without a performance of synthesizing other lipopeptide antibiotics of Bs916 through a gene knock-out technology; then extracting coarse product of surfactin from the fermentation broth of BBFM through steps of acid precipitation and methanol extraction, and finally separating and purifying surfactin through NH2 and C18 column chromatography. Through experiments of polyacrylamide gel electrophoresis and high performance liquid chromatography (HPLC) analysis, the experiment results show that the prepared surfactin reaches the electrophoresis purity grade and the chromatography purity grade. The purified surfactin has high a research and application value for development of antifungal and antibacterial drugs, and can also be used as a standard substance in biochemistry.
Owner:JIANGSU ACAD OF AGRI SCI

Application method of immobilized microorganisms in livestock breeding wastewater treatment

The invention discloses an application method of immobilized microorganisms in livestock breeding wastewater treatment. The technical flow comprises the following steps: (1) preparation of microbial fermentation broth; (2) preparation of the immobilized microorganisms; (3) induced culture of the immobilized microorganisms; (4) habituated culture; and (5) breeding wastewater treatment. According tothe invention, various microorganism symbiotic systems are constructed, and microorganisms can cooperate to effectively degrade organic substances, nitrogen, phosphorus and heavy metal pollutants inthe livestock breeding wastewater; a composite embedding material is adopted to immobilize the microorganisms, and a unique micro environment is formed to have a good shielding effect on outside invasion; resistance and tolerance of the immobilized microorganisms on the breeding wastewater are further improved through induced culture and habituated culture; and when the immobilized microorganismsare applied to a wastewater treatment system, stability is relatively high within a service period, and a good degradation effect is achieved on the livestock breeding wastewater, and therefore, a foundation is laid for practical application of the immobilized microorganisms in wastewater treatment.
Owner:SHANDONG YIAN BIOLOGICAL ENG CO LTD

Production method for lipid through synchronous mixed culture of microbes

The invention discloses a production method for lipid through synchronous mixed culture of microbes. The method comprises the following steps: (1) culturing facultative anaerobic bacteria seed liquid; (2) culturing autotrophic microalgae seed liquid; and (3) mixing the facultative anaerobic bacteria seed liquid and the autotrophic microalgae seed liquid and carrying out synchronous mixed culture in an illuminated bioreactor, wherein during synchronous mixed culture, an organic carbon source needed in growth and metabolism of the facultative anaerobic bacteria is supplemented. The method provided by the invention has the advantages of increased harvest yield of autotrophic microalgae, an improved utilization rate of an inorganic carbon source (CO2), increased content of microbial lipid, a simplified culture apparatus and the like, and exerts small influence on the fermentation process of the facultative anaerobic bacteria, thereby realizing synchronous culture of the facultative anaerobic bacteria and the autotrophic microalgae.
Owner:CHINA PETROLEUM & CHEM CORP +1

High-efficiency phosphate-solubilizing aspergillus japonicus with heavy metal tolerance

InactiveCN103614304APatience hasStrong inorganic salt phosphorus-dissolving propertiesFungiMicroorganism based processesBiotechnologyMagnesium phosphate
The invention discloses high-efficiency phosphate-solubilizing aspergillus japonicus with heavy metal tolerance. The high-efficiency phosphate-solubilizing aspergillus japonicus with the heavy metal tolerance is classified and named as aspergillus japonicus, and is collected in China General Microbiological Culture Collection Center; the collection number is CGMCC No.7700. The invention also discloses the tolerance of the high-efficiency phosphate-solubilizing aspergillus japonicus to heavy metals. The high-efficiency phosphate-solubilizing aspergillus japonicus has an extremely good dissolving effect on insoluble phosphates, such as tricalcium phosphate, magnesium phosphate and aluminum phosphate in the situation of liquid shake flask culture; the dissolving effects on the three types of insoluble inorganic phosphorus reach 100 percent. The aspergillus japonicus has certain tolerance to the heavy metals after being incubated in liquid culture solutions which contain the heavy metals such as Pb<2+>, Zn<2+>, Cr<2+>, Mn<2+>, Cu<2+>, As<5+> and Cd<2+>; particularly, the tolerated concentrations of the Pb<2+>, the Zn<2+>, the Cr<2+> and the Mn<2+> reach 2,000 mg / L respectively. Therefore, the high-efficiency phosphate-solubilizing aspergillus japonicus with heavy metal tolerance can provide excellent strain resources for the development of heavy metal-resistant high-efficiency phosphate-solubilizing bacterium agents.
Owner:BEIJING FORESTRY UNIVERSITY

Preparation method for water-repellent oil-repellent superhydrophobic fabric surface

The invention discloses a preparation method for a water-repellent oil-repellent superhydrophobic fabric surface. The preparation method comprises the following steps: (1) weighing a cotton fabric, and preparing a cotton-cellulose macromolecular initiating agent under the action of the initiating agent and a catalyst; (2) grafting monomeric GMA on the prepared cotton-cellulose macromolecular initiating agent, vacuumizing a reaction system and introducing nitrogen, so as to obtain cotton cellulose grafted by the GMA, soaking the cotton cellulose grafted by the GMA in an acid solution, and hydrolyzing epoxy groups to form a cellulose surface rich in hydroxyl groups; and (3) performing acylation reaction between the cotton cellulose grafted by the GMA on the cellulose surface rich in hydroxyl groups and a monomer with low surface energy to obtain the water-repellent oil-repellent superhydrophobic surface. The preparation method is mild in reaction condition, simple, and easy to operate, can be realized at room temperature, and can guarantee the good superhydrophobicity and oil resistance without influencing of the comfort and the mechanical property of the cotton fabric.
Owner:SUZHOU UNIV

Bacillus stearothermophilus A21 and microbial inoculum and application thereof to kitchen waste treatment

The invention discloses bacillus stearothermophilus A21, which has the preservation number being CCTCC NO: M2018137, and the 16S rDNA sequence is shown as SEQ ID NO: 1. The invention also discloses apreparation method of bacillus stearothermophilus, a liquid microbial inoculum, a solid microbial inoculum and application thereof to kitchen waste treatment. Starch and protein with high content in the kitchen waste can be fast degraded; the generation of odor is inhibited; the fast treatment on the kitchen waste can be realized; the fast biological reduction and stabilization on the kitchen waste can be realized.
Owner:SHENZHEN MICRON BIOTECH CO LTD

Stain-resistant cooking surface and cookware item or electrical household appliance comprising such a cooking surface

ActiveCN104040016AMinimize the risk of disengagementLow costCooking-vessel materialsVacuum evaporation coatingNiobiumNitride
The invention relates to a food cooking surface for a cookware item or an electrical household cooking appliance, consisting of a deposit of nitride of metal elements on a substrate, the metal elements of the deposit comprising one or more X transition metals and aluminium. The production of the deposit comprises a nitridation step in order to obtain a coating of type (X,Al)N. According to the invention, the (X,Al)N-type coating is a coating of nitride(s) of the one or more X transition metals, enriched with aluminium, in which niobium and / or zirconium is / are make up the most part of the X transition metal(s), the atomic ratio of aluminium in the metal elements of the deposit being at least equal to 20%. The invention also relates to cookware items and electrical household appliances intended for the cooking of food, comprising the above-mentioned type of cooking surface.
Owner:SEB SA +2

Production method for lipid through coupled culture of microbes

The invention discloses a production method for lipid through coupled culture of microbes. The method comprises the following steps: (1) culturing autotrophic microalgae seed liquid and carrying out enlarged culture until the OD value of biomass is 5.0 to 10.0, wherein the pH value of microalgae seed liquid having undergone enlarged culture is 9 to 12; (2) culturing facultative anaerobic bacteria seed liquid and carrying out fed-batch fermentation; and (3) during the process of fed-batch fermentation of facultative anaerobic bacteria, controlling the pH value in the fermentation process of the facultative anaerobic bacteria to be in a range of 6 to 9 in an illuminated bioreactor by using the prepared microalgae seed liquid having undergone enlarged culture in step (1) as an alkali neutralizing agent for bacterial fermentation and carrying out coupled culture of the facultative anaerobic bacteria and autotrophic microalgae. The method provided by the invention has the advantages of increased harvest yield of the autotrophic microalgae, an improved utilization rate of an inorganic carbon source, increased content of microbial lipid, a simplified culture apparatus and the like.
Owner:CHINA PETROLEUM & CHEM CORP +1

Copolyimide gas separation membranes

A gas separation membrane is formed from a copolyimide produced by copolymerization of monomers which include o-tolidine sulfone, at least one other hydrophilic diamine and 2,2-bis(3,4-dicarboxyphenyl) hexafluoropropane dianhydride. One or more additional aromatic dianhydrides can optionally be included. The novel membrane exhibits an excellent combination of high selectivity of gases to be separated from a gas mixture, high permeability and strong solvent resistance to hydrocarbon chemicals. The membrane is therefore useful in separating gases from gas mixtures in which vapor or liquid hydrocarbon contaminants are present, for example in the separation of carbon dioxide from methane and / or nitrogen in the purification of natural gas.
Owner:LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE

Surface modified lipidosome as well as preparation method and application thereof

The invention discloses a surface modified lipidosome as well as a preparation method and application thereof. The lipidosome is prepared by mixing soya bean lecithin with cholesterol at mass ratio of (7.5-2.5) to 1 and is modified by lactobacillus acidophilus S-albumen. (1) The lactobacillus acidophilus S-albumen is adopted for modifying the lipidosome surface, so that the stability and storage of the lipidosome can be promoted. (2) The lipidosome has tolerance to gastrointestinal tract protease and the wrapped effective constituents can smoothly reach target tissues so as to effectively exert drug effects.
Owner:NANJING NORMAL UNIVERSITY

Preparation method and application of recombinant fungal laccase

The invention discloses a fungal laccase gene Lac1. The nucleotide sequence of the fungal laccase gene Lac1 is shown in SEQ ID NO:1. The invention further discloses a construction method of a laccaserecombinant strain. The construction method comprises the following steps: connecting the fungal laccase gene Lac1 with an expression vector pPIC9K, performing linearization on the obtained recombinant plasmid pPIC9K / Lac1, converting pichia pastoris GS115, and constructing a pichia pastoris recombinant strain GS115 / pPIC9K-Lac1; and performing induced fermentation on the pichia pastoris recombinantstrain, and screening the pichia pastoris recombinant strain with laccase activity as a laccase recombinant strain. The invention further provides a method for preparing recombinant laccase by usingthe laccase recombinant strain. The recombinant laccase is applied to dye decoloring.
Owner:ZHEJIANG FORESTRY UNIVERSITY

Aspergillus niger JXJ A01 with potassium and phosphate dissolving and organophosphorus pesticide decomposing activity and application thereof

The invention relates to the technical field of microbe application, particularly to an aspergillus niger JXJ A01 with potassium and phosphate dissolving and organophosphorus pesticide decomposing activity and application of the aspergillus niger JXJ A01 with the potassium and phosphate dissolving and organophosphorus pesticide decomposing activity to dissolution of insoluble potassium, organophosphorus and inorganic phosphorous, decomposition of organophosphorus pesticides and preparation of microbial fertilizers. The aspergillus niger JXJ A01 is stored in China General Microbiological Culture Collection Center with a preservation number of CGMCC No. 13775. The aspergillus niger JXJ A01 is high in dissolving effects on insoluble phosphorous and potassium ore powder and can convert the insoluble phosphorous and the potassium ore fertilizer into soluble phosphorous and potassium absorbable for plants and degrade the organophosphorus pesticide of omethoate into non-toxic soluble phosphate radicals to reduce pesticide concentration and increase the content of soluble phosphorous in soil. The aspergillus niger JXJ A01 with the potassium and phosphate dissolving and organophosphorus pesticide decomposing activity can be applied to increasing the content of soluble effective potassium and phosphorus in soil and repair pollution caused by the organophosphorus pesticides to soil.
Owner:JIUJIANG UNIVERSITY

Self-coupling reaction method of manganses-catalyzed and oxidized chlorobenzene grignard reagent

The invention provides a synthetic method which uses manganese chloride as a catalyst and adopts1, 2-ethylene dichloride as a secondary oxidant to catalyze the homo-coupling reaction of a chlorine aryl compound grignard reagent, so as to further obtain a biaryl compound with the corresponding symmetric structure. In the synthesis route, the method uses various chlorine aryl compounds and activated magnesium to generate the grignard reagent, and adds the manganese chloride and the 1,2-ethylene dichloride as the catalyst and the secondary oxidant to catalyze the grignard reagent and obtain the homo-coupling reaction. The synthesis route is simple, the raw materials and the catalyst are cheap, the production rate is high, the operation is convenient, and the purification is easy. The method is applicable to agrochemicals, drugs, natural products, conduction materials and asymmetric synthesis of catalysts.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Carbidonitridosilicate luminescent substances

The invention relates to a luminescent substance consisting of a doped host lattice which absorbs at least one part of exciting radiation whet it is excited by a high-energy exciting radiation, thereby releasing an energy-poor emission radiation. According to said invention the host lattice is embodied in the form of a carbidonitridosilicate-based compound. An illuminant which is used for producing white light and comprises a light emitting element and said luminescent substance are also disclosed.
Owner:LEUCHTSTOFFWERK BREITUNGEN GMBH (DE) +1

Phthalocyanine compound, process for producing the same and colored composition containing the phthalocyanine compound

Provided is a phthalocyanine compound represented by the following general formula (1) which is halogen-free, has a green hue, and is resistant to organic solvents and acids (in the above general formula (1), M represents 2 to 4 valent A metal atom or two hydrogen atoms, rings A1, A2, A3 and A4 each independently represent a benzene ring or a structure represented by the above-mentioned general formula (2). Among them, at least one of the rings A1, A2, A3 and A4 is the above-mentioned A structure represented by general formula (2). In addition, in the above general formula (2), R represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a phenyl group, a tolyl group or a xylyl group).
Owner:DIC CORP

New Purpureocillium sp strain F1 and application thereof

The invention relates to a new Purpureocillium sp strain F1 and application thereof, in particular to the new Purpureocillium sp strain F1 separated from sludge subjected to sewage filtration in the sewage treatment plant of Yang Jiabao, Taiyuan, Shanxi Province, is preserved in China General Microbiological Culture Collection Center in December 17th, 2015, and has the classification name of Purpureocillium sp and the preservation number of CGMCC No.11813. The new Purpureocillium sp strain has wide application prospects on the aspect of heavy metal adsorption.
Owner:TAIYUAN NORMAL UNIV

Method for restoring soil polluted by heavy metal through combination of magnetotactic bacteria and plants

The invention provides a method for restoring soil polluted by heavy metal through a combination of magnetotactic bacteria and plants. The magnetotactic bacteria and the soil polluted by the heavy metal are mixed and irrigated, and magnetic fields are arranged on the soil polluted by the heavy metal to collect heavy metal polluted soil containing the magnetotactic bacteria, drip washing of the soil polluted by the heave metal is conducted and backfill is conducted; bamboo willows and crimson leafbeet are planted on the soil polluted by the heavy metal at the same time, and the crimson leafbeet is removed after 50-60 days; then crimson leafbeet is planted again, and the crimson leafbeet is removed after 50-60 days; the steps of planting and removal of the crimson leafbeet are repeated; and the bamboo willows and the crimson leafbeet are removed at the same time 1.5-2.5 years later, and the steps are executed circularly and repeatedly until the content of the heavy metal in the soil is up to the safety standard. Compared with the prior art, the magnetotactic bacteria are easy to collect, the growth cycle of the bamboo willows is short and the absorption efficiency of the heavy metal is high. The crimson leafbeet is easy to grow and has a hyperaccumulation ability of cadmium. The method is capable of restoring the soil which is polluted by various heavy metals at the same time, and free of secondary pollution to the soil.
Owner:湖南省和清环境科技有限公司

Method for improving transformation efficiency of soybean

The invention relates to a method for improving the transformation efficiency of soybean. A method for selecting transformed plant cells comprises the following steps: transforming the plant cells by using a recombinant carrier of a gene containing a target gene and a gene for encoding sulfonylurea herbicide hydrolase; carrying out screening culture on the transformed plant cells by externally applying an ALS (Acetolactate Synthetase) inhibitor, and using the gene for encoding the sulfonylurea herbicide hydrolase as a selected marker; selecting the plant cells which are not killed and / or not inhibited. According to the method disclosed by the invention, a method of adding a selective agent into an enrichment culture medium and a differential culture medium by an external application mode (in particular to dropping) in the plant transforming process is put forward for the first time, and effective concentration screening range of the selective agent is optimized, and the proportion and the transformation efficiency of positive plants obtained by an offspring are remarkably improved; meanwhile, transgenic plants obtained by transformation using the sulfonylurea herbicide hydrolase as the selected marker have the advantages of high commercial value, good resistance and genetic stability.
Owner:BEIJING DABEINONG BIOTECHNOLOGY CO LTD

Magnetic nano-chitosan microspheres and preparation method thereof

The invention discloses magnetic nano-chitosan microspheres and a preparation method thereof, and belongs to the technical field of preparation of magnetic nanomaterials. The preparation method comprises the following steps: (1) adding NaOH into a ferric chloride solution for adjusting to alkaline, filtering initial precipitate, mixing the initial precipitate with a dispersion solution, and removing ethanol to obtain a dispersion phase of the initial precipitate; placing the dispersion phase of the initial precipitate into a high-pressure reaction kettle for reacting to obtain a dispersion phase of secondary precipitate, wherein the secondary precipitate is magnetic nanoparticles; (2) adding the magnetic nanoparticles into a chitosan solution, then adding an emulsifier and a fixative, separating to obtain a ternary precipitate, drying the ternary precipitate to obtain the magnetic nano-chitosan microspheres. The invention intends to provide a magnetic nanocarrier which has the characteristics of high biological property, carrying of various active groups, large specific surface area, porosity, narrow particle size distribution and the like. The magnetic nano-chitosan microspheres can perform rapid movement and separation under the action of an external magnetic field, so that the microspheres have the advantages of easiness in recovery, reproducibility and the like.
Owner:FUQING BRANCH OF FUJIAN NORMAL UNIV

Remediation method for improving remediation effect of heavy metal contaminated soil

The invention discloses a remediation method for improving the remediation effect of heavy metal contaminated soil. The method comprises the following steps: (1), stripping soil with the thickness of10-50cm from the surface layer of heavy metal contaminated soil, stacking the soil into a remediation pool, and inoculating magnetotactic bacteria; (2), after culturing for 15-25 days, enabling the soil in the remediation pool to be completely soaked in water, setting a magnetic field, and keeping the state for 20-25 days; (3), draining water in the remediation pool, and then leaching the soil inthe pool with clear water; (4), spraying liquid humic acid into the soil in the remediation pool; (5), adding molasses into the heavy metal contaminated soil with the surface soil stripped, spraying liquid humic acid after ploughing and standing, backfilling the soil in the (4), and planting plants capable of enriching heavy metal; and (6), regularly harvesting, removing and reseeding the plants capable of enriching the heavy metals in the (5), and regularly detecting the content of each heavy metal in the heavy metal contaminated soil until the content of the heavy metals in the heavy metal contaminated soil reaches the safety standard.
Owner:HANGZHOU NORMAL UNIV QIANJIANG COLLEGE

Burkholderia kururiensis strain and application thereof

The invention belongs to the technical field of microorganisms, and specifically discloses a Burkholderia kururiensis strain and application thereof. The strain is Burkholderia kururiensis yy01, and is preserved in China General Microbiological Culture Collection Center (CGMCC) on March 17, 2015, and has preservation No. CGMCC No. 10631. The strain yy01 has both efficient releasing of phosphorus and potassium and high nitrogenase activity, increases the effectiveness of insoluble phosphorous and potassium in soil and convert free nitrogen in the air into ammonia for absorption and utilization by crops, and has significant growth-promoting effect on rice, tobacco and other crops.
Owner:SOUTH CHINA AGRI UNIV
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