34results about How to "Long-term effectiveness" patented technology

A method for preparing the iron-based biochar material, the iron-based biochar material prepared there from and a method for controlling the heavy metal pollution in soil using the iron-based biochar material. For the iron-based biochar material of the present invention, by using a method of high-temperature carbonization, a biomass is used as a raw material and an iron-containing compound is add in the process of preparing biochar, wherein iron is incorporated in a specific ratio, to form the iron-based biochar material with a special structure and function. The material has a simple preparation process, low cost and a short production period; the prepared iron-based biochar material has an unique effect on the arsenic-cadmium combined pollution soil remediation, can effectively reduce the bioavailability of arsenic and cadmium in the soil, significantly reduces the arsenic and cadmium contents in the agricultural products planted in the arsenic-cadmium combined pollution soil, and has no toxic and side effects on the crops, is safe to apply and can be applied to the control of arsenic-cadmium combined pollution soil in a large scale.

The invention discloses application of a phosphorus base charcoal material to remediation of lead contaminated soil. According to the phosphorus base charcoal material, microorganisms are used as raw materials; and a phosphorus base material with a specific ratio is doped to form the phosphorus base charcoal material with special structure and functions through anaerobic high-temperature carbonization. The material is simple in preparation process, lower in cost, biodegradable and free of secondary pollution; and the obtained phosphorus base charcoal material has a better effect on remediation of the lead contaminated soil, and the bioavailability of lead in the soil can be effectively reduced. The synthesized phosphorus base charcoal material is uniformly mixed with soil by a certain ratio; and after fixation by 7 days, available lead in the soil is reduced by 33.0-59.8%, so that the phosphorus base charcoal material has a better remediation effect compared with a pure phosphorus base material.

A metal-based battery includes at least one metal electrode immersed within an electrolyte that includes: (1) an aprotic solvent; (2) a simple halogen containing material; and (3) optionally a metal salt that includes a complex halogen containing anion. The simple halogen containing material may include a metal halide salt that includes a metal cation selected from the group including but not limited to lithium and sodium metal cations. The metal halide salt may also include a halide anion selected from the group consisting of fluoride, chloride, bromide and iodide halide anions. The use of the metal halide salt within the metal-based battery provides enhanced cycling ability within the metal-based battery. Also contemplated are additional simple halogen containing material additives that may enhance cycling performance of a metal-based battery.

The invention discloses PVC plastic with a self-antibacterial property and a preparation method thereof. According to the raw material formula, the PVC plastic is prepared from the components in partsby mass: 60-70 parts of polyvinyl chloride, 5-15 parts of chlorinated polyethylene, 10-20 parts of inorganic nonmetallic nanometer filler, 3-6 parts of a heat stabilizer, 9-12 parts of a coupling agent, 2-5 parts of acrylate copolymer, 0.5-0.8 part of calcium stearate, and 0.3-0.6 part of paraffin. A bactericidal substance of the PVC plastic is an inorganic nonmetallic nanomaterial with high safety, the bactericidal substance uniformly disperses in a PVC matrix material without adding additional bactericidal substances, use of the bactericidal substance is more convenient, long-term effectiveness is achieved, the bactericidal substance of the PVC plastic has no selectivity to bacterial species, and has a wide antibacterial spectrum; and a PVC plastic sheet has the advantages of being non-toxic, being non-irritating, being non-corrosive, long acting time, repeated use and being environmental-friendly, the preparation process is simple, and operation is easy.

This invention relates to formulations for treating or reducing dentine hypersensitivity that causes pain arising from exposed dentine in the oral cavity. The present invention seeks to provide formulations for physical blockage of dentinal tubules that have long term effectiveness and cause minimal irritation (if any at all) to the tissues of the oral cavity. Preferred formulations should be easy to apply, be immediately effective and maintain dentinal tubule occlusion under normal teeth cleaning regimes that include regular tooth brushing. The invention provides a formulation for reducing dentine sensitivity in the oral cavity, which incorporates at least one physical desensitising agent in form of a light curable monomer that forms a resilient polymer gel upon curing.

Oral pharmaceutical compositions comprising dry extract of Euphorbia prostrata from about 0.1% to about 99% by weight wherein the effective average particle size of the dry extract of Euphorbia prostrata is not more than about 500 microns with pharmaceutically acceptable excipient(s) and process(s) for the preparation of such compositions useful for the treatment of anorectal disease and colonic diseases such as hemorrhoids, fissures, cracks, fistulas, abscesses, inflammatory bowel disease and the like are provided. Further, the pharmaceutical compositions of the present invention provides for the administration of a therapeutically and / or prophylactically effective amount of the Euphorbia prostrata wherein the compositions possess properties to control inflammation, prevent capillary bleeding and fragility in mammalians, particularly human beings. Furthermore, the compositions preferably provides a release of not less than about 50% of the dry extract of Euphorbia prostrata in first 15 minutes and not less than about 80% of dry extract of Euphorbia prostrata after total dissolution study of about 60 minutes when tested in accordance with the dissolution method described herein employing physiological pH range of about 2 to about 7.5 optionally with surfactant(s). Preferably the compositions of the present invention are in the form of tablets, minitablets, powders, capsules, pellets, granules, beads, compacts and the like. The present invention also provides and prophylactic and / or therapeutic methods of using such compositions for the treatment of anorectal diseases including hemorrhoids and colonic diseases.

The present disclosure relates to a transplantation implant that includes stem cells having an ability of secreting a cytokine that having a hair-growing function.

A metal-based battery includes at least one metal electrode immersed within an electrolyte that includes: (1) an aprotic solvent; (2) a simple halogen containing material; and (3) optionally a metal salt that includes a complex halogen containing anion. The simple halogen containing material may include a metal halide salt that includes a metal cation selected from the group including but not limited to lithium and sodium metal cations. The metal halide salt may also include a halide anion selected from the group consisting of fluoride, chloride, bromide and iodide halide anions. The use of the metal halide salt within the metal-based battery provides enhanced cycling ability within the metal-based battery. Also contemplated are additional simple halogen containing material additives that may enhance cycling performance of a metal-based battery.

The invention discloses a copper cleaning agent and a preparation method thereof. The copper cleaning agent disclosed by the invention consists of an inorganic acid, an organic acid, a surfactant, a penetrating agent, an emulsifier, a defoaming agent, a complexing agent and water. The inorganic acid and the organic acid are compounded, the hazards to health of cleaning workers caused by individual use of the inorganic acid in the traditional cleaning agent are avoided, over etching of a copper workpiece is also avoided, the copper cleaning agent is an environmental-friendly cleaning agent and has a certain oiliness, an effect of cleaning dirt such as oil attached to the surface of a copper part is improved by using the cleaning agent, the cleaning agent solution is acidic, and the oxide skin on the surface of the copper part can be well removed. The cleaning agent prepared by the invention is simple in using method, the copper part only needs to be soaked at normal temperature for 2-5 minutes so as to be cleaned, no greasy dirt residue is left on the cleaned copper part, the color of the surface of the copper part is the copper base color, and the cleaning effect is obvious. The copper cleaning agent disclosed by the invention is simple in preparation method, low in cost and obvious in effect and is suitable for industrial production and application.

The invention discloses application of a phosphorus base charcoal material to remediation of lead contaminated soil. According to the phosphorus base charcoal material, microorganisms are used as raw materials; and a phosphorus base material with a specific ratio is doped to form the phosphorus base charcoal material with special structure and functions through anaerobic high-temperature carbonization. The material is simple in preparation process, lower in cost, biodegradable and free of secondary pollution; and the obtained phosphorus base charcoal material has a better effect on remediation of the lead contaminated soil, and the bioavailability of lead in the soil can be effectively reduced. The synthesized phosphorus base charcoal material is uniformly mixed with soil by a certain ratio; and after fixation by 7 days, available lead in the soil is reduced by 33.0-59.8%, so that the phosphorus base charcoal material has a better remediation effect compared with a pure phosphorus base material.

The invention belongs to the field of antibacterial plastics, and discloses an inorganic nano antibacterial hard PVC and a preparation method thereof. Add inorganic non-metallic nano fillers into water to make slurry, then add coupling agent, heat and stir for reaction, filter the reacted slurry, dry, pulverize, sieve, and then use high-energy ball mill to obtain inorganic nano Antibacterial agent: mix hard polyvinyl chloride, inorganic nano antibacterial agent and additives, and extrude to obtain inorganic nano antibacterial hard PVC. The present invention adopts inorganic non-metallic nanometer filler to make antibacterial agent through special treatment process, so that its antibacterial and antibacterial ability can be improved and its nanometer scale can be kept evenly dispersed in PVC. It is easy to use, has long-term effectiveness, and improves the impact resistance of rigid PVC.

Disclosed and methods for light-based treatment of skin disorders such as acne. Also disclosed are devices for providing said light-based treatments. These treatments can be used in conjunction with and augmented by topical formulations of health-associated bacteria.

Herbal pharmaceutical compositions for the treatment of ano-rectal diseases are provided. The compositions include C. molmol, Gardenia spp, T. erecta, M. ferrea, activated charcoal, probiotic, neem and / or curcumin, cloves, isabgol, pharmaceutical excipients, and optionally a therapeutic agent. The compositions possess properties to control inflammation by lowering levels of inflammatory cytokines and matrix metalloproteinases, prevent capillary bleeding and fragility in mammals, particularly human beings and have wound healing properties.

The invention provides a special hormone gel for oil-tea camellia cutting. Raw materials for preparing 1000 ml of the gel comprise 1-9 g of potassium dihydrogen phosphate, 265-305 mg of indole-3-butyric acid potassium salt, 0.5-2.5 g of phytagel, 0.6-1.4 g of calcium chloride and 70-110 mg of ABT No.2 rooting powder. The distribution of nutrients in the hormone gel for oil-tea camellia cutting is adjusted for oil-tea camellia, and active components with different kinds are compounded according to a certain ratio and have synergism. Compared with aqua or pulvis, the gel has the advantages of greatly improved use effects, excellent premature senility control effect, overcoming of the undernutrition caused by decrease of the absorption ability, caused by ageing of the root of the oil-tea camellia in the growth stage, and high cutting survival rate. The high-quality special hormone gel for oil-tea camellia cutting, obtained through the preparation method, is convenient to use, and has long-term effectiveness.

The invention discloses a novel automatic stroke unloading valve assembly, which includes a valve tube, a pressure spring and an unloading valve mechanism. The unloading valve mechanism includes a bushing seat, a limiting bushing and a valve stem. One end of the tube; one end of the central hole of the limit sleeve is provided with a tapered hole; the valve stem includes a long rod b and a matching shaft c, the matching shaft c is in the shape of a truncated cone, and its small diameter end is connected with one end of the long rod b. The conical side wall d is in contact with the tapered hole wall, and the other end of the long rod b passes through the center hole of the limit sleeve; there are two unloading valve mechanisms, which are respectively located at both ends of the valve tube, and the pressure spring is located at the two unloading valves. between the load mechanism and in a compressed state. The present invention separates the original detached structure for unloading from the rack piston to form an integral structure and an independent valve body, which improves the accuracy and reliability of the overall structure of the unloading component.

The invention belongs to the technical field of high-molecular materials, and provides a reinforcing and toughening filling master batch with a compatibilization performance and a preparation method therefor. The master batch comprises the following ingredients, by weight, 10-50 parts of an elastomer, 0.001-0.2 part of an initiator, 0.5-5 parts of a compatibilization functional monomer, 0.5-3 parts of a filling material surface treatment monomer, 40-70 parts of silicon calcium powder, 0.2-1 part of an anti-oxidant and 2-5 parts of a lubricant. The filling master batch has good reinforcing and toughening performances, and has an excellent compatibilization performance. The preparation method is advantaged by simple flows, reasonable and controllable technology conditions, simple processing technology and low cost, and is suitable for industrial production.

The invention provides a protection forest belt construction method for preventing and treating a mikania micrantha spreading risk. A macaranga tanarius and X mode is adopted for grown plants for resisting growth of mikania micrantha, X is at least one of heteropanax fragrans, endospermum chinense and cinnamomum burmanni, and macaranga tanarius is planted at the outmost portion. The protection forest belt construction method has the advantages that the mikania micrantha H.B.K is prevented and controlled with an ecological means, the environment is not polluted, and the long-term effectiveness is achieved; the mikania micrantha can be prevented and treated, the vegetation coverage rate of an original area can be further improved, and the effect of ecologically reforming and recovering the risked environment is achieved; manpower supports and financial supports are needed to be invested only in the initial protection forest belt construction period, and investment is basically not needed after a protection forest is established.