41results about How to "Homogeneous" patented technology

The invention relates to a method for preparing a stem cell active factor, and on one hand, in particular relates to a method for preparing the stem cell active factor. The method comprises the following steps of: (1) acquiring umbilical cord placenta derived mesenchymal stem cells; (2) performing cell amplification; (3) performing cell identification detection; (4) preparing the stem cell active factor; and (5) performing optional freeze-drying. Furthermore, the invention relates to a stem cell active factor freeze-dried powder agent prepared by using the method demonstratively. The method provided by the invention has the beneficial effects as shown in the specification of the invention.

The invention discloses foam concrete containing recycled inorganic lightweight aggregate. The foam concrete is prepared from 20-60 parts of cement, 20-60 parts of slag, 0-50 parts of sand, 0.5-3 parts of a water reducer, 0.1-3 parts of fibers, 25-60 parts of water, foam with the addition amount accounting for 1-80% of the total volume of the foam concrete and the recycled inorganic lightweight aggregate with the addition amount accounting for 1-80% of the total volume of the foam concrete, wherein the recycled inorganic lightweight aggregate is obtained by smashing, screening and grading one or more inorganic heat insulation building materials including but not limited to aerated concrete, foam concrete, foamed ceramic and foamed glass. The invention further discloses a preparation method of the foam concrete. The foam concrete containing the recycled inorganic lightweight aggregate has the advantages of being high in strength, small in shrink, free of formwork collapse, good in fluidity, homogeneous, low in cost and the like and is especially suitable for cast-in-situ lightweight walls, roofs, lightweight cement product elements and the like.

The present invention discloses an improved super-pixel-based image significance detection method. The method comprises the following steps: firstly, segmenting an original image into super-pixels consistent in color and texture based on the simple and linear iterative clustering super pixel segmentation algorithm; secondly, for the image super-pixel segmentation result, calculating the initial saliency map of the original image based on the sparse representation theory; thirdly, for the image super-pixel segmentation result, calculating the center-edge weight map of the original image based on the center-edge idea; fourthly, for the image super-pixel segmentation result, clustering the super-pixels based on the normalized theory so as to obtain a plurality of clustering areas; fifthly, based on the above result, calculating the final saliency map of the original image. According to the technical scheme of the invention, compared with the traditional super-pixel-based image saliency detection method, the problems, including the fuzzy boundary of a saliency object, the inhibited interior of the saliency object and the like, can be solved. The saliency object can be highlighted more uniformly. Meanwhile, the background is effectively suppressed, so that a better detection result is obtained.

The invention relates to a stem cell active factor and lyophilized powder thereof, in particular to a stem cell active factor lyophilized powder on the one hand. The stem cell active factor lyophilized powder comprises a stem cell active factor and a lyophilization protecting agent, and the lyophilization protecting agent is selected from trehalose, mannitol, chitosan, dextran, glycine, arginine and glycine. The invention further relates to a preparation method for preparing the stem cell active factor lyophilized powder. The method has the beneficial effects as described in the specification of the invention.

The invention discloses a standard test piece based on a calibration permeability test. The standard test piece is in the shape of a solid cylinder and composed of a solid framework, gaps and pore canals. The solid framework has a firm structure and stably material properties. The material has high rigidity, good toughness, corrosion resistance, rust resistance, heat resistance and pressure resistance. The gaps are near-spherical, the aperture sizes are uniform, and the apertures are controlled in the range of 1-50 microns, the gaps are uniformly distributed inside the test piece and on surface thereof. The pore canals are intersected and the average pore opening extent of the interconnected pore canals passing through two end faces is controlled in the range of 0.1-5% on the cross section. The invention is detected by permeation for a long time, has constant permeability parameters, high efficiency, high reliability and strong practicality. By using the permeation coefficients of the invention as a reference standard, the invention provides a detection method and tool as reference for global permeability test technique. The standard test piece based on a calibration permeability test is applicable to all permeability tests and in particular to the precision and measuring range of a calibration low-permeability testing method and device.

The invention provides a reinforced mixer with ultrasonic dispersion and temperature control functions. The mixer mainly comprises a planetary gear stirring mechanism, a lead screw sliding table, a case mechanism, an inner container, a heating ring, an ultrasonic vibration head, a beaker, a temperature sensor, a one-chip microcomputer and a control panel. An inner gearing big gear wheel of the planetary gear stirring mechanism is connected with a sleeve to form one body through interference fit; a revolution fixing mechanism controls stable rotation of a planetary gear; a driving motor drives running of a planetary gear train to realize a stirring function; a screw joint at the end part of a fixed axle balances torque of the planetary gear train, and the screw joint and a butt nut bear the weight of the planetary gear train and the stirring mechanism together. The side surface of the sleeve is provided with a fixed rod connected with a slide block of the lead screw sliding table; a stepping motor controls rotation of a lead screw so as to realize elevation and falling of the stirring mechanism; the inner container is embedded into the upper surface of a case, the ultrasonic vibration head is adhered on the lower transverse plane of the inner container, and the heating ring is fixed at the lower end of the inner container, thereby achieving heating, ultrasonic dispersion and mechanical reinforced stirring functions.

The invention relates to a task allocation method and device. The method includes the following steps: an operator log in a system to get a task, whether it is the first time for the operator to log in the system to get a task is judged, if yes, the task is allocated to the operator according to a task allocation rule, otherwise, the task is allocated to the operator according to the following steps: obtaining the type of the task that the operator gets the last time, and judging whether the number of the operator successively getting the tasks of this type reaches a threshold value of tasks of the same property, if not, allocating a task of the same type as that of the task got the last time to the operator, and if yes, allocating the task to the operator according to the task allocationrule; and the abovementioned steps are repeated till allocation of tasks in a task pool is completed. The method provided by the invention can improve efficiency of task processing of the operator, and ensure balanced allocation of the tasks at the same time.

The invention relates to a freeze-drying method for preserving cytokine activity. The method comprises the steps of selecting a stem cell active factor and a cryoprotectant of which the purity is 99%or more, wherein the cryoprotectant is prepared from, 1-10wt.% of mannitol, 1-3wt.% of trehalose, 1-5wt.% of dextran, 1-3wt.% of human albumin, 1-4wt.% of chitosan, 0.1-0.3wt.% of glycine, 3-4wt.% ofglycine and 0.1-0.3wt.% of an ascorbic acid; preparing cytokine freeze-dried powder by using the stem cell active factor and the cryoprotectant. Compared with the prior art, a cell source of the method has homogeneity and conforms to the biological characteristics of stem cells, thereby ensuring the secretion amount of a stem cell-derived active factor and stability of performance; a medium does not contain sensitizing components, and is suitable for various people; a freeze-dried powder preparation provides convenience for long-distance transportation and long-term preservation.

The invention discloses a rapid induced differentiation method of mesenchymal stem cells, a kit and application thereof. The rapid induced differentiation method of mesenchymal stem cells provided by the invention can be used for preparing enough number of mesenchymal stem cells capable of meeting clinical requirements in a short time at high yield, because there is no step of forming an embryoid body, the preparation process is simple, and the method has the advantages of high differentiation efficiency, convenience in purification and separation and the like. In addition, animal serum and other non-human additives are not involved in the differentiation process, the mesenchymal stem cells are more suitable for clinical requirements, and the mesenchymal stem cells obtained through differentiation are high in multiplication capacity and vigorous in cell activity.

The invention relates to a method for deeply treating refractory pollutants by using a conductive filter membrane-heterogeneous Fenton-like water treatment device. The deep treatment method combines a conductive filter membrane and a heterogeneous Fenton-like oxidation method, takes an electrode plate as an anode, takes the conductive filter membrane as a cathode, and the space between the conductive filter membranes is filled with a carbon material with catalytic performance, so that a reactor can synchronously complete the Fenton-like reaction and the membrane filtration effect, the water treatment process is greatly shortened, and the water treatment effect is improved. The treatment method disclosed by the invention has the advantages of inhibiting the deposition and enrichment of pollutants on the membrane, reducing the use of a catalytic agent in an advanced oxidation process and the discharge of metal ions such as iron and manganese, improving the Fenton-like treatment efficiency, shortening the water treatment flow and improving the water treatment effect of the refractory pollutants.

A multi-component composition is described that includes an epoxy component having at least one reactive epoxy resin, one hardener component that includes at least one hardener for the epoxy resin, one cement component including cement and at least one filler, and also from 0.1% to 1% by weight, based on the total weight of the multi-component composition, of at least one polymeric binder that is solid at 23° C. Addition of the at least one polymeric binder can significantly improve relevant properties of the multi-component composition, examples being more particularly adhesion thereof, compressive strength thereof and shrinkage thereof. Also described, is a process for producing a coated substrate with the aid of the composition described above, and also coated substrates that can be produced by a corresponding process.

The invention relates to a preparation method of a high-corrosion-resistance NiMnInCo magnetic shape memory alloy, and belongs to the technical field of corrosion resistance of intelligent materials and magnetic shape memory alloys. The preparation method of the high-corrosion-resistance NiMnInCo magnetic shape memory alloy comprises the following specific steps: materials are taken according to the atomic percents for uniform mixing and sintering to obtain the high-corrosion-resistance NiMnInCo alloy. The novel NiMnInCo magnetic shape memory alloy is synthesized by adopting a combustion reaction for the first time, so that the thought for application of the high-corrosion-resistance shape memory alloy is widened; and the prepared NiMnInCo magnetic shape memory alloy has the advantage of corrosion resistance.

The invention discloses anti-bacterial, anti-inflammation and anti-oxidizing mung bean alcohol-effect-dispelling nutritional jelly and a preparation method thereof. The nutritional jelly is composed of the following raw materials including, by weight, 500-550 parts of mung beans, 30-35 parts of malt extract liquid, 15-17 parts of amomum tsao-ko, 20-23 parts of peach gum, 10-12 parts of houttuynia cordata, 23-25 parts of sophora flower honey, 8-9 parts of sophora flavescens, 10-12 parts of flos puerariae, 20-23 parts of lentinan, 23-25 parts of edible gelatin, 30-35 parts of pea seedlings, 10-12 parts of chili leaves, 10-12 parts of peel of oranges, 10-12 parts of rose hips, 2-2.3 parts of an extract of grape seeds, 5-6 parts of locust bean gum, 30-35 parts of lotus root flour, and 23-25 parts of superfine powder of cashew nuts. The nutritional jelly has abundant nutrients, sour-and-sweet moderated taste, gentle and mild color and uniform texture. The effective components are anti-bacterial, anti-inflammation and anti-oxidizing, and have the effects of beautifying and nourishing face, clearing heat and dispelling the effects of alcohol.

The invention discloses spirit-refreshing, face-nourishing and stomach-nourishing mung bean alcohol-effect-dispelling nutritional jelly and a preparation method thereof. The nutritional jelly is composed of the raw materials including, by weight, 500-550 parts of mung beans, 30-35 parts of malt extract liquid, 15-17 parts of amomum tsao-ko, 30-35 parts of peach gum, 10-12 parts of lemon peel, 10-12 parts of hazel nuts, 13-15 parts of liquor-processed honeysuckles, 30-35 parts of fish skin collagen protein, 25-30 parts of gelatin, 13-15 parts of black date gum, 30-35 parts of honey-pickled cherries, 1-1.2 parts of ginger oil, 23-25 parts of lotus root flour, 10-12 parts of arctium lappa, 1-1.2 parts of pearl powder, 20-23 parts of vinegar-processed fructus lycii, and 5-6 parts of extract of fetus of cervn selapnus. The effective components have the effects of refreshing spirit, nourishing face, resisting senility, nourishing stomach, eliminating inflammation, relieving thirst and dispelling the effects of alcohol.

The invention discloses diuretic and detoxifying calcium-added mung bean alcohol-effect-dispelling nutritional jelly and a preparation method thereof. The nutritional jelly is composed of the raw materials including, by weight, 500-550 parts of mung beans, 30-35 parts of malt extract liquid, 15-17 parts of amomum tsao-ko, 20-23 parts of peach gum, 20-23 parts of fresh lotus leaf juice, 10-12 parts of alpinia katsumadai, 10-12 parts of hawthorn seeds, 20-23 parts of apple vinegar, 9-11 parts of superfine powder of fishbone, 30-35 parts of strawberry juice, 13-15 parts of wine, 20-23 parts of cotton candy, 20-23 parts of edible gelatin, 10-12 parts of loquat flowers, 3-35 parts of freeze-dried powder of pumpkin juice, 5-6 parts of vanilla and 10-12 parts of apricot kernel oil. The nutritional jelly is diuretic, can detoxify body, and can clear lung to relieve cough, improve appetite and promote digestion, dispel the effect of alcohol and nourish face.