204results about How to "Promote mineralization" patented technology

A dietary supplement for benefitting human bone health includes a calcium source, a source of vitamin D activity, and an osteoblast stimulant. A preferred calcium source is microcrystalline hydroxyapatite, which also contains protein (mostly collagen), phosphorus, fat, and other minerals. A preferred source of vitamin D activity is cholecalciferol, and a preferred osteoblast stimulant is ipriflavone. In addition to these basic ingredients, the composition can further include various other minerals known to occur in bone, vitamin C, and glucosamine sulfate, all of which exert beneficial effects on growth and maintenance of healthy bone. A method for benefitting human bone health involves administering a daily regimen of the dietary supplement.

The invention discloses a method for managing town black and olid river pollution in situ by utilizing biological repair technology, which takes the steps and measures of aerating and oxygenizing in riverway, adding a complex microbial agent, biologically repairing bottom sediment, arranging a bio-nest system and the like, so as to control and eliminate the exogenous and endogenous pollution of the river, purify the water quality of the river, improve the self-purification ability of the water body and achieve the purpose of eliminating black and olid. The method does not need to build structures in the riverway or lead the river water out of the riverway to be treated, or dredge the bottom sediment in the river, therefore the method is generally applicable to incomplete sewage interception and dredging or the rivers which can not be intercepted sewage or dredged temporarily, and the in situ treatment to the riverway which is affected by tide and has complicated fluid variation. Therefore, the method which can lead the water body to recover normal ecological function provides the practical, economic and convenient treatment method for various town black and olid rivers.

The invention discloses a method for repairing a crack of a cement-based material. According to the method, carbonic anhydrase microorganisms are adopted for generating carbonic anhydrase used for catching CO2, CO2 is promoted to be converted into CO3<2->, and the deposition of calcium carbonate within a surface area of the crack is accelerated; the method has the advantage that the repair speed is faster than that of other methods for repairing the crack through the microorganisms. The method comprises the following steps of: inoculating bacillus mucilaginosus to a culture medium; culturing; preparing bacillus mucilaginosus concentrated bacteria liquid; immobilizing bacteria on carriers; uniformly burying calcium sources into the cement-based material during forming the cement-based material; concentrating the carriers with the bacteria immobilized into a range of 5mm under a surface area of a test part; manufacturing the crack after a part to be tested is cured; transferring into a thermostatic waterbath; continuously charging air for maintaining and repairing. The repair test result shows that the osmotic coefficient is greatly reduced after repairing for 5 days, and the crack is repaired completely after continuously repairing for 30 days.

Compositions and methods for the treatment of bone diseases, bone fractures, bone injuries and other bone abnormalities involving the use of Dkk protein, a Wnt antagonist, a Wnt inhibitor, or any other related protein for the stimulation or enhancement of mineralization and for stimulating the renewal of cells. One Dkk protein, Dickkopf-2 (Dkk-2), acts to stimulate bone formation independently of Wnt proteins which may be inhibited and / or antagonized by Dkk-2. Dkk-2 displayed enhanced specific targeting ability and enhanced biological activity in stimulating or enhancing mineralization. Dkk-2 also played a role in the differentiation and self-renewal of hematopoietic stem cells and mesenchymal stem cells, particularly in osteoblastogenesis and osteoclastogenesis.

The invention relates to a saline-alkali soil fertilizer and a preparation method thereof. The saline-alkali soil fertilizer comprises decomposed coal, microorganisms, farmyard manure, straw, ardealite, ferrous sulfate, distillers' grains, a nitrogenous fertilizer, a phosphatic fertilizer and a potash fertilizer, wherein the microorganisms comprise nitrogen-fixing bacteria, phosphate solubilizing bacteria, potassium bacteria, fermentation bacteria and photosynthetic bacteria. The preparation method comprises the following steps: S1, mixing straw with farmyard manure, adding ferrous sulfate and the fermentation bacteria for fermentation; S2, adding ferrous sulfate, decomposed coal, microorganisms, ardealite and distillers' grains into the mixture in the S1, mixing and pelleting, so as to obtain fertilizer granules; 3, uniformly mixing and stirring the granules obtained in the S2 with the nitrogenous fertilizer, the phosphatic fertilizer and the potash fertilizer, so as to obtain the saline-alkali soil fertilizer. By adopting the fertilizer, the saline-alkali soil can be effectively reformed.

The invention relates to a medical polyurethane complex film and the preparation method thereof. The complex film is composed of fatty group polyurethane and nanometer hydroxylapatite, wherein the content of the anometer hydroxylapatite is 20-50 wt percent. The fatty group polyurethane is polymerized by at least one of fatty group vulcabond and polyether or polyester polyol, wherein the mol ratio of the fatty group vulcabond-NCO and -OH in the polyol is 1.5-3 to 1. The film belongs to a thermoplasticity elastic film, has favorable elasticity and easy moulding, can load microspheres containing medicine or active components such as biological nutrilit and the like and structures distributed with through holes, thereby having favorable biological performance, and the film does not contain aromatic components but contains ester groups and / or hydrophilic ether groups which can be hydrolyzed or biologically degraded; the hydrophile and hydrophobic nature balance and the degradation of the film can be changed through adjusting the proportion, and the film can be applied to the medical health field of bone tissue guiding regeneration film and medicine slow-released film, and the like.

The invention discloses an iron mine sintering flue gas segmented circulation method. Sintering flue gas high in O2 content on the tail portion of a sintering machine is circulated to the interior of a head flue cover of a sintering feed surface of the head portion of the sintering machine, flue gas of two to three bellows highest in SO2 content in a bellow on the tail portion of the sintering machine is conveyed to a desulfurization system to be desulfurized, and flue gas in other bellows is circulated to a middle flue cover of a sintering feed surface of the middle portion of the sintering machine. After segmented flue gas circulation is adopted, SO2 will not be accumulated in sintering ore, dust emission is reduced by 20-40%, NOx emission is reduced by 20-40%, dioxin emission is reduced by 50-80%, and CO2 emission is reduced by 20-45%.

The invention discloses a surface-hydroxylated nano-pore carbon nitride photocatalytic material as well as a preparation method and an application thereof. A nano-pore structure of the photocatalytic material mainly comprises mesopores with diameters of 5-30 nm and comprises micropores with diameters smaller than 2 nm, the specific surface area is 10-90 m<2> / g, and a hydroxyl group is grafted on the surface; during preparation, melamine, alkali chloride and alkali containing alkali metal or alkaline-earth metal elements are taken as raw materials and treated in an electric furnace at the temperature of 400 DEG C-600 DEG C for certain time, a product is subjected to washing, extraction filtration and separation, the yellow nano-pore carbon nitride photocatalytic material is obtained, and the alkali chloride in a washing solution is recovered. With adoption of the method, a little alkali is taken as a pore forming material, meanwhile, a catalyst forms a hydroxylation surface, no template agent and surfactant are required, the cost is reduced, the problems of complicated preparation process, non-environmental protection and low probability of industrialization promotion in the prior art are solved, and the product has excellent capability of photocatalytic degradation on gas-phase pollutants.

A biocompatible material, wherein at least a part of a surface of the biocompatible material is characterized by a micro or nano-meter scale topographical structure comprising a plurality of features where the structure is selected to promote a predetermined cell function in vivo or ex vivo in cell or tissue culture.

The invention discloses a magnetic composite material and an application thereof in regeneration and repair of bone tissues, as well as a method for preparing the magnetic composite material and a product prepared by the magnetic composite material, wherein the magnetic composite material comprises the following components: a) 10-50g of polymer material calculated by 100ml of organic solvent, wherein the polymer material is selected from polylactic acid, polyglycolic acid, lactic acid-glycolic acid copolymer, polycaprolactone, polyamide or poly-hydroxybutyric acid; b) 10g of hydroxyapatite nano-particles calculated by 100ml of the organic solvent; and c) 2.5g of gamma-Fe2O3 nano-particles calculated by 100ml of organic solvent, wherein the organic solvent is selected from tetrahydrofuran (THF), dimethylformamide (DMF), dimethylacetamide (DMAc), chloroform or dioxane.

The invention relates to a fertilizer applicable to saline-alkali soil. The fertilizer is characterized by being prepared from zeolite, weathered coal, a microbial agent, excrements of livestock, edible mushroom dregs, a water-retaining agent, turf, kitchen waste products and inorganic fertilizers. A preparation method of the fertilizer comprises the following steps: S1, mixing crushed edible mushroom dregs and excrements of livestock, adjusting a carbon nitrogen ratio of the mixture to be 25 / 1 to 30 / 1, and then adding the microbial agent for fertilizing; S2, adding the weathered coal, the zeolite, the turf and the kitchen waste products to the fertilized mixture in step S1, and then mixing and granulating to obtain fertilizer particles; S3, mixing the particles obtained in the step S2 and the water-retaining agent, and then uniformly stirring to obtain the fertilizer applicable to the saline-alkali soil.

The composite microbial fertilizer for preventing and controlling diseases of continuous crop consists of high efficiency composite microbial preparation 10-35 wt%, inorganic fertilizer 5-30 wt% and activated turf as fertilizer matrix 60-85 wt%. The composite microbial preparation consists of microbial preparation and adsorbent. The composite microbial fertilizer can plant high efficiency microbe colony to inhibit the growth and propagation of germ for successful continuous crop planting. In addition, the present invention is favorable to optimizing soil microbe colony structure, allocating soil nutrients reasonably and raising soil production capacity.

A composite intended for medical use, in particular surgical or therapeutic use, characterized in that it comprises a mixture ofa thermoplastic component plasticizable within the temperature range -10° . . . +100° C., which is substantially made up of hydroxy acids and structural units derived from hydroxy acid derivatives and the molar mass of which is within the range 30,000-1,000,000 g / mol, and which degrades in the body typically within a period ranging from a few days to several years, and which in its solid state is a mechanically strong plastic or rubbery material, anda bioactive component, which is a bioactive glass or a bioactive xerogel,such that the plasticized thermoplastic component remains moldable for a certain period even after the temperature of the composite has been lowered to a temperature which is considerably lower than the setting temperature of said thermoplastic component.

The invention discloses a rock-desertification ecological restoration method. The method includes the following steps of 1, rock-desertification matrix collating, 2, microalga inoculating, 3, herbaceous plant planting, 4, maintenance managing, and 5, bush and arbor planting. Rock-desertification matrix collating includes the steps of 1, collating terrain, and 2, replacing local soil with soil removed from other places. Terrain collating includes the steps of 1, removing pumice stones and dangerous rock bodies, 2, leveling slashes, and 3, protecting side slopes. Microalga inoculating includes the steps of 1, selecting algae species, 2, cultivating the algae species, 3, preparing algae powder and 4, conducting manual rock-desertification inoculation on microalgae. Herbaceous plant planting includes the steps of 1, grass seed selecting, 2, ground treating, 3, fertilizer applying, 4, seed sowing, and 5, soil covering. Bush and arbor planting includes the steps of 1, tree seed configuring, and 2, seed sowing. The rock-desertification ecological restoration method integrates a microalga biotechnology, an ecological soil restoration technology and an ecological forestry restoration technology, and a new technical method is provided for scientific and efficient rock-desertification treatment.

The present invention relates to a cell construct cultured in vitro characterized in that it comprises (i) animal cells cultured in vitro in conditions ensuring formation of a three-dimensional tissue structure and (ii) an endogenous extracellular matrix in which said cells are imprisoned, and in that it comprises, among said cells, cells having a mineralization and / or ossification capacity. The invention is particularly useful in the fields of grafts and implantology (tissue reconstruction or repair), as well as in the pharmaceutical industry, for research on tissue and analysis of the toxic or beneficial profile of molecules capable of being used in pharmaceutics development and / or pharmaceutical compositions.

The invention relates to the agricultural fertilization technology field, and concretely relates to a method for personalized customization of a soil conditioner and a soil conditioner prepared by utilization of the method. The method comprises the following steps: a plurality of soil samples are selected randomly in a cultivated field, pH values, humidity and CO2 contents of the soils are detected and detection information is collected; according to the collected detection information and soil detection data collected by a government, combined with growth demands of planted crops, analysis and processing are carried out, and an accurate soil conditioner formula is provided. A pH value, humidity and a CO2 content of soil in a certain region are collected through scientific means, according to the collected detection information and soil detection data collected by a government and combined with growth demands of planted crops, analysis and processing are carried out, an accurate soil conditioner formula is provided, and the land utilization efficiency is raised.

The invention discloses an electrocatalytic reduction-oxidation reactor and a method for pre-treating chlorobenzene waste water using the same. The chlorobenzene waste water is led into a cathode chamber of the electrocatalytic reduction-oxidation reactor; the whole reactor is filled with the chlorobenzene waste water; electrocatalytic treatment is carried out; the waste water is subjected to a reduction reaction in the cathode chamber; the waste water after treatment in the cathode chamber is led into an anode chamber through a reduction water discharging collection system; and the obtained waste water is subjected to an oxidation reaction. The electric current densities of an anode plate and a cathode plate are 5-25mA / cm2; the residence time of the waste water in both the cathode chamber and the anode chamber is 2-5h, and the distance between the cathode chamber and the anode chamber is 1mm. According to the invention, metal reduction is replaced by electrocatalytic reduction, so that problems that a metal is prone to be passivated and the mass-transfer efficiency is low are overcome; other advanced oxidation technology, such as Fenton oxidation is replaced by electrocatalytic oxidation, so that problems that the treatment efficiency is low and the added amount of chemical reagents is large are avoided; and the concentration of the chlorobenzene waste water is effectively decreased, toxicity of waste water is reduced, and biodegradability of the waste water is improved.

The invention relates to bacillus mucilaginosus and application thereof for preparing a saline alkali soil improvement agent. The bacillus mucilaginosus JDzhs-bh is preserved at the China Center for Type Culture Collection on March 20th, 2019, the address is No.3, courtyard 1, the western Beichen road, Chaoyang district of Beijing, and the strain preservation number is CGMCC No.17376. The invention discloses bacillus mucilaginosus capable of resisting high temperature and saline alkali and being cultivated through ultraviolet mutation screening for the first time. The bacillus mucilaginosus has the stress resistance for high temperature and saline alkali, and can effectively adapt to saline alkali hardening soil. Meanwhile, the effect of degrading silicon and phosphorus is achieved, release of elements such as soluble silicon and phosphorus in soil is promoted, crop stress resistance is enhanced, the utilization rate of the soil repairing agent is achieved, saline alkali soil is repaired and improved, and salinization is lowered.

The invention discloses a processing apparatus and method for wastewater containing organic pollutants. The device comprises a reservoir, a circulation flow pump, a front adsorption tank, a photoelectrochemical tank, a photocatalytic tank and a back adsorption tank. Adsorption materials are disposed in both the front adsorption tank and the back adsorption tank; a cathode and an anode are disposed in the photoelectrochemical tank; a first light source is disposed above a space between the cathode and the anode; a porous material loaded with a photocatalyst is disposed in the photocatalytic tank; a second light source is arranged above the porous material; and the reservoir, the circulation-flow pump, the front adsorption tank, the photoelectrochemical tank, the photocatalytic tank and the back adsorption tank are connected successively through pipelines. The wastewater processing device can realize harmless treatment of the wastewater containing the organic pollutants in a laboratory. By adding an electrolyte and combining coarse filtration, advanced oxidation, photocatalysis and fine filtration, purification treatment of high-concentration wastewater is realized at low energy consumption, by virtue of efficient conversion of energy.

The invention relates to the technical field of agricultural fertilizers, and in particular relates to a special biological sustained-release fertilizer for tuber crops. The fertilizer comprises the following components in parts by weight: 10-40 parts of compound microbial agent, 50-80 parts of inorganic fertilizer, and 8-10 parts of humic acid. Compared with the prior art, the fertilizer has the advantages that the nutrition proportion is reasonable, and the growing-phase nutrition demand curve of tuber crops can be basically matched with the fertilizer nutrition release curve; the fertilizer contains a high-performance functional strain capable of fixing nitrogen, solubilizing phosphor and solubilizing potassium and an antagonistic strain with a good effect for preventing and controlling soil-borne diseases; the fertilizer utilization can be remarkably improved, environmental pollution can be reduced, and the environment benefit is remarkable; production raw materials of the fertilizer are wide in sources, low in cost and simple in process, and have remarkable economical, social and environmental benefits.

The invention belongs to the field of health care food, and especially relates to a composition used for improving skeletal system health, and applications thereof. The composition comprises skimmed milk powder, fructo-oligosaccharide, yak bone, orange fruit powder, D-glucosamine hydrochloride, bone collagen, chondroitin sulfate, herba epimedii extract, rhizoma drynariae extract, mushroom powder, magnesium carbonate, casein phosphopeptide, and vitamin K2. The composition possesses excellent prevention effects on patients with osteoporosis and skeletal system disorders such as ankylosis, arthritis, osteoproliferation, arthralgia, and myospasm, and is capable of increasing bone mineral density, and improving skeletal system health. The composition can be used for preparing health care food capable of improving skeletal system health; application range is wide; and economic benefit and social benefit are both high.

The invention discloses a method for restoring a mine matrix and greening by utilizing microalgae artificial biological crusts, which comprises the following steps of: A, in a mine reclamation area in which plants are difficult to grow, selecting sand, transporting the sand to a region to be repaired and paving the sand; B, planting grasses to carry out greening, i.e. selecting herbaceous plants growing in a mine to plant; C, carrying out shrub greening, i.e. using salix psammophila, artemisia songarica schrenk, caragana microphylla and astragalus adsurgens which grow in drought-resistant regions, selecting poplar, oleaster, pines and cypress which belong to arbor, and planting shrub such as salix psammophila; D, carrying out artificial crust treatment; E, carrying out watering maintenance; and F, checking the microalgae biological crusts, wherein the step D of carrying out artificial crust treatment comprises a step a of selecting an algae type, a step b of preparing algae culture solution and a step c of culturing algae; and the step c of algae culture comprises the following steps of: (1) primary culture, (2) secondary culture, (3) tertiary culture, (4) culture of a runway-type impeller stirring and circulating culturing pool, (5) biomass collection of the algae and (6) inoculation of the microalgae artificial biological crusts. The method is easy to implement and is convenient to operate; and an effective method is provided for mine restoration, ecological restoration and improvement on the ecological environment.

The invention provides a seed coating agent for ecological restoration of desertified land. The seed coating agent comprises the following raw materials by mass: 80-110 parts of filler, 1-4 parts of super absorbent resin, 0.03-0.11 part of a plant growth regulator, 10-15 parts of humic acid and 0.5-1 part of a rhizosphere microbial strain, and also includes an adhesive, wherein the total mass of the filler, the super absorbent resin, the plant growth regulator, humic acid and the rhizosphere microbial strain and the massic volume of adhesive are in a ratio of (3-8):1, preferably 6.25:1 or 5:1.The germination rate of seeds coated with the seed coating agent is obviously increased, and the root cap ratio of seedlings is obviously increased, therefore the seed coating agent can be applied toagricultural production.

The invention relates to a humic-acid soil conditioner and a preparation method thereof. The soil conditioner disclosed by the invention is composed of soil conditioner mother liquor, amino acid, citric acid, polyacrylamide, humic acid, urea, ammonium dihydrogen phosphate and potassium chloride in a mass ratio of (50-65): (3-10): (0.3-1.5): (2.3-2.9): (3-10): (5-13): (5-6): (5-7). The soil conditioner disclosed by the invention can effectively increase the organic matter and nutrient contents of a newly-built farmland, loosen hardened soil, speed up the maturation process of immature soil, and improve or restore the productivity of lands.

The invention relates to an organic fertilizer with the effect of controlling crop diseases and pests and a production method or the organic fertilizer. The organic fertilizer is prepared from the following raw materials in parts by weight: 25-30 parts of leaves of shrubby baeckea, 18-22 parts of cigarette powder, 10-15 parts of tea bran, 3-5 parts of derris trifoliata herbs or roots, 20-25 parts of filter mud of sugarcane, 3-7 parts of quicklime powder, 15-25 parts of yeast liquid, 0.4-0.7 part of a bacillus subtilis preparation and 0.4-0.7 part of a bacillus mucilaginosus preparation. The organic fertilizer with the effect of controlling crop diseases and pests produced by the method has various functions of controlling insects, controlling diseases, promoting growth, regulating, improving stress resistance of crops, increasing sugar agricultural products, improving soil and the like for crop planting. By applying the organic fertilizer, soil pests can be controlled, soil-borne diseases are prevented, nutrients can be balanced, soil environment is improved, crop growth is promoted, crop yield and quality are improved, and the purpose of increasing both production and income is achieved.

The invention discloses a long bone fracture repositioning device, which comprises a proximal end support frame, a distal end support frame, quick drawing extension rods, steel needle fixing clamps and steel needles, wherein the quick drawing extension rods are connected between the proximal end support frame and the distal end support frame, the steel needle fixing clamps are connected to the proximal end support frame and the distal end support frame, the steel needles are clamped by the steel needle fixing clamps, the proximal end support frame and the distal end support frame are same in structure and respectively comprise a transverse chute type repositioning slide plate and two fixed gliding hole plates which are connected to the chute type repositioning slide plate, one surface of each chute type repositioning slide plate is provided with a transverse guide sliding chute, a transverse guide long hole is formed between the bottom of the guide sliding chute and the other surface of the chute type repositioning slide plate, the fixed gliding hole plates are provided with holes for connecting the steel needle fixing clamps, the fixed gliding hole plates are further provided with positioning bulges which are matched with the guide sliding chutes and can slide along the guide sliding chutes. The long bone fracture repositioning device disclosed by the invention is simple in structure, the minimally invasive idea is enhanced, the excellent rate of repositioning is improved, and requirements of fracture repositioning and various malformation correcting can be met to the maximum extent.

The invention discloses a biomacromolecule / chitin nanocrystalline composite scaffold material and a preparation method thereof. Being a blend, the biomacromolecule / chitin nanocrystalline composite scaffold material comprises a biodegradable macromolecule and chitin nanocrystalline in a mass ratio of 1:10-1:100. The biodegradable macromolecule / chitin nanocrystalline composite bone tissue scaffold material is prepared by a freezing / pore-foaming agent leaching method. The composite scaffold has an average porosity of greater than 85%, the pore diameter is regulatable, and the compression modulus is 2MPa-12MPa. By introducing chitin nanocrystalline into a biomacromolecule porous scaffold, the mechanical strength and bioactivity of the scaffold are improved, and the adhesion of cells on the scaffold and the mineralization activity are promoted. The biomacromolecule / chitin nanocrystalline composite scaffold can be applied in the bone repair field as a bone tissue engineering scaffold.

The invention discloses a special functional biological slow-release fertilizer for chilies, belonging to the technical field of agricultural fertilizers. The fertilizer is prepared from the following raw materials in percentage by weight: 10-40% of composite microbial inoculant and 60-90% of inorganic fertilizer. The composite microbial inoculant is composed of microbial bacteria and a culture medium; and the microbial inoculant quantity in the final product is generally greater than or equal to 106 / g; the microbial bacteria, including ACCC11079 Bacillus laterosporus, ACCC100011 Bacillus megaterium and ATCC35681 Paenibacillus sabinae, are evenly mixed according to the total weight of 100% to obtain the composite microbial inoculant. The fertilizer is prepared according to the nutrient characteristics and fertilizer demand law of chilies in combination with the soil microecosystem, has reasonable nutrient proportioning, can supply multiple nutritional ingredients in a balanced and continuous way, has the functions of improving the soil, increasing the fertilizer efficiency, regulating the plant growth, enhancing the stress tolerance of crops, improving the crop quality and the like, and is green and environment-friendly.

The invention relates to a new application of a HuGu capsule (HG) in preventing glucocorticoid-induced osteoporosis (GIO), belonging to the technical field of traditional Chinese medicine application. The invention discusses HG prevention effect towards GIO induced by glucocorticoids (GCs) based on bone histomorphometry. The experimental result proves that the glucocorticoids (GCs) can induce cortical bone loss of a rat in short time, after HG intervention is carried out for 45d, the GCs is prevented from inducing the cortical bone loss of the rat, thereby providing experimental proof for the new application of the HG in preventing the GIO.