70results about How to "Does not affect the nature" patented technology

The invention relates to a preparation method of composite catalyst of the titanium silicate molecular sieve and the nano-carbon fiber. The composite catalyst of the titanium silicate molecular sieve and the nano-carbon fiber prepared by the method of the invention has strong bonding force between the active component of the titanium silicate molecular sieve and the nano-carbon fiber. Comparing with the industrial micro-nano TS-1 powder (100-500nm), the filtering quality is significantly improved. In the course of using the TS-1 catalyst, the problem of the solution dispersion and separation can be solved; the method is simple and the application range is wide. The catalytic performance of the made composite catalyst is excellent, and can be used for the cyclohexanone ammoximation, the conversion rate of the cyclohexanone and the cyclohexanone oxime selectivity can both reach over 98 percent.

The invention discloses a mixed randomization privacy protection method of social network data dissemination. The mixed randomization privacy protection method includes the steps that top points V of an undirected graph G(V,E) for expressing social network data are divided into a set Vk and a set Vr according to degree numbers with k-anonymity as a condition, wherein the set Vk comprises the points with the degree numbers meeting the k-anonymity condition, and the set Vr comprises the points with the degree numbers not meeting the k-anonymity condition; the points in the set Vk are not processed; randomization protection processing is carried out on the points in the set Vr. According to the mixed randomization privacy protection method, an existing k-anonymity method and an existing randomization method are combined, the number of users of the social network is not changed, influences on the nature and the quality of data provided for third parties are small, the processing process is simple, and the processing speed is high; after processing is carried out, the social network data of each person can be in one of the two following protection states: the degree natures are not changed, and the social network data of the person are located in other at least k persons same as the person in degree nature, or the degree natures are changed; relocation attacks with structure background knowledge can be prevented through the protection, and the demands of the users of the social network for the privacy safety are met.

The invention discloses a method for extracting grease from oil-tea camellia seed kernel and recovering saponin and saccharide active substances, comprising the following steps of: (1) crushing and tempering: with hull-removed oil-tea camellia seed kernels as raw materials, crushing and grinding the materials, adding water for uniformly stirring, wherein the quality-volume ratio of the oil-tea camellia seed kernels to the water is 1kg:2-8L and controlling the temperature of the system to be 30-60DEG C; (2) carrying out the enzymolysis: adjusting the pH value of the system to be 3.5-8.0, adding pectinase the weight of which is 0.1-2 percent that of the camellia seed kernels and carrying out the enzymolysis for 2-5h; (3) heating and centrifuging: treating the system at the temperature of 80-90DEG C for 5-15min after enzymolysis; and (4) recovering the grease and the active substances: in which, the centrifuged and separated system comprises boiled oil, liquid phase and residue, taking out the boiled oil and spray-drying the liquid phase to obtain the active substances containing the saponin and saccharide. The method for extracting the grease avoids the high-temperature pretreatment of high-temperature enzymolysis of oil materials and can be used for synchronously recovering oil and a saponin and saccharide mixture which can be used as a saponin crude product or a feed additive.

The invention discloses an Immune globulin G immunoturbidimetry detection kit and belongs to the technical field of clinical in vitro detection reagents. The detection kit comprises a reagent R1, a reagent R2 and a calibrator. A certain amount of magnetic nano-particles covered with silicone dioxide is added to the reagent R1, a certain amount of bovine serum albumin and a certain amount of Kathon-CG are added to the reagent R2, and therefore the stability and the analysis sensitivity of the detection kit are effectively improved; the linear range of the detection kit is good, the accuracy of the reagents is high, and the detection kit can be further applied and popularized on the market.

The invention discloses an immunoglobulin E immunoturbidimetry detection kit, and belongs to the technical field of clinical in-vitro detection reagents. The kit comprises a reagent R1, a reagent R2, and a calibration material. By adding a certain amount of silica coated magnetic nanoparticles into the reagent R1 and adding a certain amount of bovine serum albumin and Kathon-CG into the reagent R2, the stability and the analysis sensitivity of the kit are effectively improved, the linear range is also better, the reagent accuracy is high, and further popularization and application in markets are facilitated.

The invention relates to an emulsion type crude oil viscosity-reduction drag reduction agent applied to high-wax-content pure oil pipe transportation. The emulsion type crude oil viscosity-reduction drag reduction agent mainly solves the problems that in the prior art, wax crystallization of a pipe network exists and wax asphaltene deposition of a pipe wall are serious in winter, and consequently the pipe transportation capability is greatly lowered, and safety transportation of crude oil is affected by return pressure rising. The emulsion type crude oil viscosity reduction and drag reduction agent is prepared from, by weight, 20-30% of macromolecule terpolymer, 20-35% of polyolefin drag reduction agent, 20-40% of higher alcohol, 5-10% of compound emulsifier and 1-5% of emulsion stabilizer. The emulsion type crude oil viscosity-reduction drag reduction agent can be rapidly dissolved into crude oil, so that the viscosity of the crude oil is reduced, the friction resistance of the crude oil is reduced, return pressure is reduced, and the pipe transportation capability is improved.

The invention relates to a color and impurity removal technique, particularly a method for removing color and impurities from concentrated phospholipid. The method comprises the following steps: putting concentrated phospholipid in a closed vessel, and adding filter aid and decolorant into the vessel containing concentrated phospholipid; stirring at 50-130 DEG C under the negative pressure of 0.09-0.05 MPa in a vacuum state for 40 minutes; and after finishing stirring, carrying out pressure filtration. The filter aid is one or more of puffed soybean meal, perlite, kieselguhr and silica gel, and accounts for 1-15% of the concentrated phospholipid; and the decolorant is activated carbon, and accounts for 1-15% of the concentrated phospholipid. The invention adopts a physical method to implement color and impurity removal on the concentrated phospholipid at specific temperature in a vacuum environment, has the advantage of low equipment investment, is safe and convenient to operate in production, and can not influence the quality and properties of the concentrated phospholipid.

The invention discloses a regeneration method of a honeycomb activated carbon absorbent for absorbing nitric oxide. In the regeneration method, the technology combining vacuum analysis and redox is adopted to achieve the regeneration of the honeycomb activated carbon absorbent for absorbing the nitric oxide; neutralization absorption processing is carried out on the nitric oxide adsorbate in honeycomb activated carbon by using weak alkaline solution containing NH3; and the impregnated urea solution is used as reductant-oxidant, roasting is performed in a vacuum oven so as to achieve the regeneration of activated carbon. The regeneration method has the advantages that the regeneration process is convenient and efficient, and the property of the absorbent is basically not influenced, so that the absorbent can be repeatedly recycled.

The invention discloses a biosensing marking method, a biosensing marking system and a disease detection system. According to the biosensing marking method, antigens in a tested sample can be captured by first antibodies when part of optical fibers pass the tested sample by means of fixing a layer of the first antibodies of a tested biomarker on the surfaces of the optical fibers; second antibodies of the tested biomarker are then fixed to the surfaces of metal nanoparticles, the metal nanoparticles are mixed in the tested sample, and the metal nanoparticles can be bound with antigens in the tested sample through the second antibodies due to specific recognition of the second antibodies; detection of the antigens in the tested sample can be realized with the biosensing marking method. Since the cross section of extinction of the metal nanoparticles is far larger than that of the conventional fluorescent molecular, the biosensing marking method has higher antigen detection sensitivity than the conventional fluorescence labeling method.

The invention provides a bimetallic catalyst, a preparation method and application thereof. According to the invention, a cobalt raw material, a zinc raw material and a ligand at a specific usage ratio are adopted for preparing a cobalt and zinc bimetallic catalyst, and furthermore, a solvent is adopted for preparing a liquid-phase bimetallic catalyst. The bimetallic catalyst provided by the invention is a liquid catalyst, can be conveniently added into a reaction system, can more effectively disperse in the reaction system and can fully promote the catalytic efficiency. The preparation method for the bimetallic catalyst provided by the invention is simple in process, low in energy consumption and suitable for large-scale production. The bimetallic catalyst provided by the invention is suitable for the preparation of polyether polyol; a polyether polyol product with narrow molecular weight distribution, low unsaturation degree and high molecular weight can be acquired; the dosage of the required bimetallic catalyst is less; the yield of the acquired polyether polyol product is high; the bimetallic catalyst provided by the invention need not be recycled and will not influence the property of the acquired polyether polyol product and subsequently prepared polyurethane product.

The invention discloses an immunoturbidimetric detection kit for fibrinogen, and belongs to the technical field of clinical in-vitro detection reagents. The kit comprises a reagent R1, a reagent R2 and a calibrating product. By adding a certain amount of silica-covered magnetic nanometer particles into the reagent R1 and adding a certain amount of bovine serum albumin and a certain amount of Kathon-CG into the reagent R2, stability and analysis sensitivity of the kit are effectively improved, and the kit is good in linear range and high in accuracy, and is beneficial to further popularization and application in the market.

The invention relates to the film preparation technology field and discloses a corona processor. A machine body is included. A corona device is fixedly installed in a middle portion of a top of the machine body. A corona roller is movably installed below the corona device. A fan is fixedly installed on one side of the top of the machine body. A high-voltage transformer is arranged at a bottom of the machine body. A controller is arranged on a front surface of the machine body, a plurality of conveying rollers for conveying thin films are arranged on two sides of the corona roller, the corona device is provided with an installation block, the bottom of the installation block is connected with a plurality of electrodes through a spring, the corona roller is symmetrically and movably connected with two movable sleeve rings, and the bottoms of the movable sleeve rings are movably connected with moving devices. By using the corona processor, the multiple electrodes are arranged and can be adjusted, redundant ozone and heat are reduced, a utilization rate is increased, a working range can be adjusted according to a specific film, the corona device is tightly attached, an ozone concentration during working can be ensured to be optimal, and a corona effect is good.

The invention relates to a wetting-resistant and oil-stain-resistant Janus type distillation membrane and a preparation method and application thereof. The distillation membrane comprises a base membrane, wherein one side of the base membrane is a hydrophilic skin layer, the other side of the base membrane is a fully-hydrophobic skin layer, and the hydrophilic skin layer is a polydopamine layer; and the fully-hydrophobic layer is a PAL layer modified by dopamine. The Janus type distillation membrane has an asymmetric structure in the membrane thickness direction, is hydrophilic on one side andsuper-hydrophobic on the other side, and has good wetting resistance, pollution resistance and thermal stability. The preparation method of the membrane is simple, relatively low in cost and relatively environment-friendly. The asymmetric fully-hydrophobic membrane has good wetting resistance and pollution resistance, can treat high-salt oil-containing wastewater, has good stability, can basically achieve 100% desalination, and keeps stable flux in long-term use.

The invention discloses a method for increasing a salt field solarizing and evaporating rate by hydrophilic modified spheres. The method is characterized in that polymer spheres with different particle diameters are added into an evaporating tank filled with sodium chloride solutions of different concentrations, so that the spheres have different area proportions on solution evaporating surfaces;a salt field solarizing and evaporating test is stimulated by regulating air speed of a fan and an irradiation temperature of a solar lamp, and the evaporating rate is calculated through a formula. According to the results, under different conditions, the solution evaporating rate is greatly increased. By applying the method to salt field solarizing and evaporating, the salt field evaporating andvaporizing surface area can be effectively increased, and therefore, the evaporating rate can be increased, the site area for the salt field is reduced, the production period is shortened, the yield is increased, and has very important practical guiding significance.

A method for treating intractable pain via electrical stimulation of the spinal cord. Remote, non-contact stimulation of a selected region of spinal cord is achieved by placement of a transceiver patch directly on the surface of that region of spinal cord, with said patch optionally being inductively coupled to a transmitter patch of similar size on either the outer or inner wall of the dura surrounding that region of the spinal cord. By inductively exchanging electrical power and signals between said transmitter and transceiver patches, and by carrying out the necessary electronic and stimulus signal distribution functions on the transceiver patch, the targeted dorsal column axons can be stimulated without the unintended stray stimulation of nearby dorsal rootlets. Novel configurations of a pliable surface-sheath and clamp or dentate ligament attachment features which realize undamaging attachment of the patch to the spinal cord are described.

An antenna (200) comprises an antenna body (212). The antenna body is integrally formed as a part of a PCB (210) and the antenna body is enclosed by metal. The antenna body may be enclosed by printed or plated metal on both top and bottom surfaces of the PCB and by edge plated metal along the circumference of the antenna body.

The invention discloses a glycocholic acid immunoturbidimetric assay kit, and belongs to the technical field of clinical in vitro detection reagents. The kit of the present invention comprises a reagent R1, a reagent R2, and a calibrator. The Glycocholic acid immunoturbidimetric assay kit improves the stability and analytical sensitivity of the kit by adding a certain amount of silica-coated magnetic nanoparticles to reagent R1 and adding a certain amount of bovine serum albumin and Kathon CG to reagent R2, and the accuracy of the reagent is high, which is favorable for further promotion in the market.

The invention discloses a separation and purification method for lactococcus acidophilus antibacterial peptide. The method comprises the following steps that 1, a lactococcus acidophilus solid is fermented to obtain a lactococcus acidophilus fermentation product; 2, after the lactococcus acidophilus fermentation product is dissolved into water, liquid supernatant is taken and passes through multiple ultra-filtration membranes of different specifications to obtain components with different molecular weights; 3, the liquid supernatant of each component is dried in a freezing mode, and bacteriostatic activity of all the components is tested; 4, gel column chromatography is carried out on the component with the best acteriostatic activity; 5, thermal stability of lactococcus acidophilus antibacterial peptide is tested. The ultra-filtration membranes are adopted for carrying out filtering according to the different molecular weights of the substances, impure protein can be removed, the property of protein is not influenced, and the method is suitable for large-scale production of industry.

The invention provides erythema-preventing regenerated cellulose fiber containing pearl and traditional Chinese medicine and a preparation method of the erythema-preventing regenerated cellulose fiber. The erythema-preventing regenerated cellulose fiber containing the pearl and the traditional Chinese medicine comprises 2-5.5 wt% of pearl powder and 2-5 wt% of a traditional Chinese medicine extract. The traditional Chinese medicine extract comprises 80-90% of artemisinin and derivatives thereof and 10-20% of borneol. According to the erythema-preventing regenerated cellulose fiber containing the pearl and the traditional Chinese medicine, the pearl powder is good in dispersity and not prone to agglomeration. The artemisinin, the artemisinin derivatives and the borneol are coated by preparing a microcapsule, the size of the microcapsule is small, spinning is not affected, and the damage of strong acid and strong alkali to the artemisinin, the artemisinin derivatives and the borneol in the spinning process can be avoided. The fiber disclosed by the invention has the functions of protecting skin and preventing erythema, and can still play a role after being repeatedly washed with water.

The invention discloses a low-sugar and low-oil flavored flowing stuffing and a processing method thereof. The low-sugar and low-oil flavored flowing stuffing is prepared from the following ingredients in parts by weight: 15-22 parts of sweetened white bean paste, 10-16 parts of black sesame seed powder, 10-16 parts of walnut, 3-9 parts of peanut butter, 3-8 parts of shortening oil, 5-12 parts ofacid treated starch, 15-25 parts of white sugar, 0.2-0.5 part of salt and 8-14 parts of water. For the flavored flowing stuffing provided by the invention, the usage amounts of sugar and oil are greatly reduced; and in addition, in the processing process, freezing is avoided, the flavored flowing stuffing can become a solid state after being placed for a period of time at normal temperature, and stuffing wrapping is convenient at the normal temperature. The low-sugar and low-oil flavored flowing stuffing provided by the invention can be used for high-temperature heated products.