9results about How to "Reduced ability to migrate" patented technology

The application discloses a composite flocculant based on aluminum chloride and a preparation method thereof, and belongs to the technical field of flocculant preparation, and is used for solving the technical problem that the stability and flocculation performance of the flocculant need to be further improved in the prior art; the branched polymer containing polycarboxyl groups is prepared by the reaction of tris(2-aminoethyl)amine and pyromellitic dianhydride, and the taurine groups are introduced to obtain the sulfobranched polycarboxyl polymer; the titanium phosphorus silicon aminopropyl composite is synthesized by using the sol-gel method, and the inorganic-organic network combination is realized; the polyimidazolium-hydroxy ether is obtained by the reaction of imidazole, epichlorohydrin and bisphenol A diglycidyl ether; the composite flocculant is formed by the reaction of the three under the acidic condition, the composite flocculant combines the polycarboxyl groups, the sulfonic acid groups, the imidazolium groups and the inorganic-organic skeleton, has high charge density, good adsorption and bridging performance, can rapidly form stable flocs, and can effectively remove the suspended particles and organic pollutants in water.

The application discloses a SnTe-based thermoelectric material and a preparation method thereof, and belongs to the technical field of thermoelectricity. The application adopts high-purity metal elements as raw materials, and the raw materials are mixed according to a stoichiometric ratio, and then a cast ingot is obtained through a melting reaction after vacuum packaging. Subsequently, the cast ingot is subjected to high-temperature annealing treatment. After the cast ingot subjected to the high-temperature annealing treatment is ground into powder, a dense block-shaped SnTe-based thermoelectric material is formed through discharge plasma sintering. The chemical formula of the SnTe-based thermoelectric material is Sn 2.9‑X W X Te 2.9 -(In2Te3) 0.03 -(Cu2Te) 0.18 The application significantly improves the thermoelectric figure of merit of the SnTe-based thermoelectric material and improves the thermoelectric performance of the SnTe-based thermoelectric material by doping tungsten elements in the SnTe matrix and compounding the two metal compounds of In2Te3 and Cu2Te.

The application discloses application of long-chain non-coding RNA in diagnosis and / or treatment of breast cancer and belongs to the technical field of biological medicine. The application first finds that the expression level of a new long-chain non-coding RNA-LncRNA-RJ1 in tumor tissues of triple-negative breast cancer patients, triple-negative breast cancer drug-resistant patients and triple-negative breast cancer patients with poor prognosis is obviously higher than that in normal tissues, and with the increase of the expression level, the prognosis of breast cancer patients and breast cancer drug-resistant patients is also poorer; the expression level of LncRNA-RJ1 is related to the drug resistance of triple-negative breast cancer patients, the breast cancer cell migration ability is also significantly reduced when the expression level of LncRNA-RJ1 is reduced, therefore, LncRNA-RJ1 can be used as a new biomarker for preparing products for diagnosing and / or treating breast cancer, and a new way is opened for triple-negative breast cancer chemotherapy drug resistance and drug efficacy evaluation.

The invention relates to the technical field of organic fertilizers and soil remediation. The invention provides a microbial organic compound fertilizer for soil remediation. The microbial organic compound fertilizer is characterized in that a complex formed by covalent bonding of modified UiO-66 (Zr) bifunctional ligand MOF nanoparticles and low-temperature activated wood biochar through an epoxy silane coupling agent is taken as a core; a PEC microcapsule shell formed by chitosan salt and sodium carboxymethyl cellulose under the near-neutral and low-salt condition is coated outside the PEC microcapsule; phosphorus solubilizing bacteria with metal response regulation and control are packaged inside, trehalose, skimmed milk powder and glycerin are matched for keeping alive, and low-temperature drying and granulation are carried out. The compound fertilizer can release phosphorus as required at a pollution peak value, stabilize and passivate heavy metals such as Cd, Pb and the like, the availability of available phosphorus and crops is improved, the finished product viable bacteria is greater than or equal to 1 * 10 CFU / g, and the water content is 1t; the structure is stable, and the storage and transportation performance is excellent.

The present application relates to sludge treatment technical field, disclose a kind of sludge dewatering conditioner and its preparation method and sludge dewatering process, including following weight parts raw materials: modified bentonite 20-30 parts, Si-CNC nano-composite 25-40 parts, graphite phase carbon nitride load iron oxide nano-composite 5-10 parts, aluminum sulfate iron 10-15 parts, citric acid-oxalic acid complex chelating agent 3-6 parts, sodium phosphate slow-release agent 1-3 parts, wherein, the modified bentonite is ammonium persulfate and polyacrylamide monomer in situ grafting polymerization modification, the graphite phase carbon nitride load iron oxide nano-composite is melamine calcination after loading iron ion again calcination and obtain.The present application can reduce the water content of sludge while sludge increment is small, convenient to use.

The application discloses a method for preparing ecological restoration soil by repairing contaminated spoil through regeneration, and comprises the following steps: mixing dry straw powder and bimetallic alkali liquor, stirring and drying, pyrolyzing under a protective atmosphere at a temperature above 500 DEG C to obtain modified biochar material; mixing the modified biochar material with microbial liquid, oscillating and adsorbing, and freeze-drying to obtain carbon-based biological composite material; mixing the carbon-based biological composite material with shield spoil to obtain improved shield spoil; and mixing the improved shield spoil with organic fertilizer to obtain ecological restoration soil; the method removes toxic and harmful components in the shield spoil through biodegradation, the modified biochar improves the structure of the shield spoil, and the specific component compound fertilizer is used, so that the shield spoil is recycled, and the shield spoil-based ecological restoration soil is obtained.

The invention relates to a flame-retardant smoke-suppression anticorrosive fiber material, a coating, a preparation method of the flame-retardant smoke-suppression anticorrosive fiber material and the coating containing the fiber material, and belongs to the technical field of functional coating materials. The preparation method of the fiber material comprises the following steps: (1) mixing and stirring a flame retardant, an organic solvent and a surfactant to obtain a core layer solution; (2) dispersing polyvinylidene fluoride-trifluoroethylene and inorganic nanoparticles in an organic solvent, and stirring to obtain a shell solution; and (3) simultaneously spinning the core layer solution and the shell layer solution to obtain the fiber material. After the coating of the fiber material is cured on the surface of a base material, a formed coating is a continuous fiber reinforced composite material and has flame-retardant, smoke-suppression, self-repairing and anti-corrosion properties at the same time. The inorganic nanoparticles are introduced into the shell layer and the thermal response type flame retardant is encapsulated in the core layer, so that the chemical activity or toxicity of harmful chemical substances is reduced through chemical adsorption, coordination binding and / or catalytic conversion under a fire or corrosion induction condition, and the flame-retardant smoke suppression, self-repairing and corrosion-resistant properties are synergistically realized.

The invention belongs to the technical field of agricultural microorganisms, and discloses a coxsackii strain which is named as coxsackii P1-4 and preserved in China Center for Type Culture Collection on September 20, 2023, the preservation address is Wuhan University, Wuhan, China, and the preservation number is CCTCC NO: M 20231759. The invention further discloses a microbial agent containing the bacterial strain, application of the microbial agent in promoting rice growth and / or improving soil health and application of the microbial agent in reducing the content of cadmium in soil and / or reducing the content of cadmium in rice. The coxakella P1-4 strain and the microbial inoculum thereof provided by the invention can synchronously and remarkably improve the key nutrient indexes of soil, can remarkably improve the contents of nutrients such as NH4-N, NO3-N, organic phosphorus and organic matters in the soil, and comprehensively improve the fertility and biological activity of the soil.

The application discloses a microbial remediation agent for heavy metal remediation and a preparation method and application thereof, and is prepared by loading pseudomonas aeruginosa on a carrier; the carrier comprises the following components in parts by weight: 8-22 parts of chlorella vulgaris algae liquid, 1-3 parts of silicon fertilizer, and 1-3 parts of nano zero-valent iron; the silicon fertilizer is obtained by calcining a mixture of granite stone powder, marble powder and alkali activator at a mass ratio of 8-12:0-12:0.5-4; and the alkali activator is solid sodium hydroxide or potassium hydroxide. The microbial remediation agent has high activity, fast reproduction, is environment-friendly and pollution-free, and is low in cost; can change the form of heavy metals, converts the heavy metals from a high-toxicity form into a low-toxicity form, reduces the toxicity and migration of the heavy metals, and significantly reduces the pollution caused by the heavy metals.