648results about How to "Does not affect activity" patented technology

The invention provides a method for producing light olefins and monocyclic aromatic hydrocarbons from heavy hydrocarbons. The method produces qualified catalytic cracking raw materials through hydrogenation by taking wax oil and residual oil as raw materials, returns light cycle oil and heavy cycle oil which are catalytic cracking by-products to a hydrogenation unit for the catalytic cracking rawmaterials at the same time, hydrogenates the catalytic cracking by-products together with the catalytic cracking raw materials, and then takes the obtained product as the catalytic cracking raw materials to produce light olefins and monocyclic aromatic hydrocarbons. By introducing the residual oil before a second reaction zone of hydrogenation, the method widens the sources of the catalytic cracking raw materials, increases the processing amount of low-value residual oil, and solves the problem of the heat balance of catalytic cracking units. The light and heavy cycle oil of catalytic cracking is introduced into the hydrogenation unit, hydrogenated and then taken as the catalytic cracking raw materials, so that the yield of high-value products of the catalytic cracking units can be increased, and the deactivation of hydrogenation catalysts is delayed.

The invention provides an immunomagnetic bead for sorting human cells and a preparation and cutting-off method of the immunomagnetic bead and particularly relates to a magnetic bead-nucleic acid-antibody compound or a kit containing the magnetic bead-nucleic acid-antibody compound. The compound comprises a magnetic bead, nucleic acid covalently coupled to the magnetic bead and an antibody covalently coupled with the nucleic acid, wherein the nucleic acid comprises at least one enzyme digestion site, and the antibody can specifically bind with antigen on the surfaces of to-be-screened cells. The invention further comprises the purpose and preparation method of the magnetic bead-nucleic acid-antibody compound and a method for using the magnetic bead-nucleic acid-antibody compound to perform cell sorting.

The invention discloses a separating and enriching microfluidic chip with high flux for tumor cells. The separating and enriching microfluidic chip comprises four functional modules, namely an upper flow guide module (1), a flow rate adjusting module (2), a high-flux inertial separating and enriching module (3) and a lower flow guide module (4), wherein the upper flow guide module (1) is used for guiding normal saline and blood to a target position; the flow rate adjusting module (2) is used for providing flow rate required by separating of tumor cells and blood cells; the high-flux inertial separating and enriching module (3) is used for improving separating speed by integrating a plurality of inertial separating flow channels; the lower flow guide module (4) is used for collecting the blood cells and tumor cells to different exits. The separating and enriching microfluidic chip has the advantages that the functions of flow rate automatic control and tumor cell separating and enriching are realized, the other auxiliary equipment is not needed, the low-cost and high-flux separating on the tumor cells circulating in the blood is realized, and the important value and commercial prospect are realized in the cancer diagnosis, prognosis evaluation and the like.

By aiming at the problems in the existing alginate-derived oligosaccharide extraction, the invention provides a production process for extracting alginate-derived oligosaccharide from sea tangles. A novel process for extracting alginate-derived oligosaccharide from sea tangles by an enzyme hydrolysis method comprises the nine steps of sea tangle powder preparation, soaking, cellulose enzymolysis, digestion, centrifugal filtration, bleaching, sodium alginate lyase enzymolysis, high-speed centrifugal fine filtration and alcohol dehydration. Compared with the existing alginate-derived oligosaccharide extraction process with the yield being 14-15 percent, the novel process has the advantages that the yield is 17-18 percent and is improved by 3 to 4 percent, meanwhile, the process steps are simplified, the use of chemical reagents is reduced, and the product appearance is more attractive.

The duplex multichannel intelligent capsule wireless endoscope system includes intelligent capsule endoscope for digestive tract, and image recording and intelligent capsule controlling instrument. The present invention features the image recording and intelligent capsule controlling instrument with microprocessor connected to control keyboard and display screen or connected to PDA via RS232 or USB interface, radio transceiving module communicating with RF transceiving module in the intelligent capsule endoscope in duplex multichannel mode. The system can realize in-situ real-time image observation and real-time on the capsule endoscope and can operate in complicated environment without interference. Therefore, several systems may operate simultaneously to reduce the amount of the intelligent capsule workstations for flexible use; and stereo image may be realized to raise the disease focus detecting rate.

The invention discloses a microfluidic chip system for screening rare cells. The system comprises a microfluidic chip, an optical signal excitation and detection module, a data acquisition analysis and control module, a piezoelectric driving module and a pump control module. A piezoelectric element is adopted to excite a surface wave sound field, part of non-target substances can be removed by coarse screening on the basis of physical properties of cells, and the purity and the capture rate of fine screening can be improved; meanwhile, effects of cleaning and three-dimensional focusing on a sample can be realized, and the accuracy of subsequent detection and fine screening is improved; the piezoelectric element is used for exciting a surface acoustic wave in a fine screening area, so that the target cells in fluid are driven to deviate from an original path, cell sorting can be realized quickly, and activity of the cells is not affected due to mechanical force acting on the cells. The system has no damage to the cells, can be used for conventional flow cell sorting and rare cell screening, and has great significance in promoting non-invasive prenatal screening and tumor prognosis detection.

The invention discloses a film coating agent for wound surface treatment and a preparation method of the film coating agent. The film coating agent comprises chitosan, a film-forming material, a plasticizer and a solvent, wherein the plasticizer is glycerin with the amount accounting for 2-15% of the total weight of the film coating agent. The film coating agent has the advantages that the film coating agent is better in antibacterial effect, more convenient to use and better in waterproofness, is not limited by shapes and sizes of skin wound surfaces, does not affect normal limb movement and the like.

The invention discloses a method for preparing a metanilic acid by catalyzing and hydrogenating a 3-nitrobenzenesultonic acid, which comprises the following steps of: in a high-pressure reaction kettle, taking the water solution of industrial 3-nitrobenzenesultonic acid prepared from industrial stock solution obtained by sulphonating nitrobenzene as a raw material, adjusting a pH value of the water solution of the industrial 3-nitrobenzenesultonic acid to be 6 to 8 with aqueous alkali, performing reaction at 60 to 130 DEG C and under the hydrogen pressure of 0.8 to 2.0 MPa to produce m-aminobenzene sulfonate under the action of an activated carbon palladium catalyst, cooling the 3-nitrobenzenesultonic acid to the room temperature after the reaction is finished, taking reaction slurry out,filtering the activated carbon palladium catalyst out and performing acidification and filtration on filtrate to obtain the metanilic acid; and preparing slurry from the filtered activated carbon palladium catalyst with de-ionized water, adding oxydol dropwise into the slurry, continuing to stir the slurry for 1 to 5 hours and recycling the filtered activated carbon palladium catalyst. The methodhas the advantages of realizing the stable industrial production of the metanilic acid prepared by catalyzing, hydrogenating and reducing the 3-nitrobenzenesultonic acid, reducing production cost andthe content of metallic ions in the product and remarkably improving the quality of the product.

The present invention is loading method of hydroprocessing catalyst. Unlike conventional grading loading scheme, The hydrogenating and denitrogenating reaction region is loaded with the catalyst in antitone grading mold, in which the activity of the hydrogenating and denitrogenating catalyst in the downstream bed side is slightly lower than that in the upstream bed side, and the pore size of the catalyst in the downstream bed side is slightly greater than that in the upstream bed side. The said loading method can control the temperature raise of hydrogenating and denitrogenating catalyst bed, reduce cold hydrogen amount to lower the hydrogen consumption of the apparatus, reduce the carbon deposit speed in the catalyst bed to reduce bed pressure drop of bed, and prolong the service life of catalyst.

The present invention discloses preparation process of skin care silk protein gel cream. The preparation process includes the following steps: adding water soluble sericin or water soluble sericin and silk peptide as gel promoter into water solution of fimbrin through homogeneous mixing; stilling the solution at 0-90deg.c for gelatinizing the solution into translucent silk protein gel with water content of 70-98 %; and homogenizing and emulsifying to form silk protein gel cream. Into the silk protein gel cream, other cosmetics matrix component and supplementary material component may be added as required. The silk protein gel cream has the functions as nutrient additive, humectant and matrix, and may be used in producing high quality natural skin care cosmetics.

The invention relates to a traditional Chinese medicine preparation for preventing and curing paralichthys olivaceus and sea cucumber scuticoci liatlda diseases. The preparation comprises the following traditional Chinese medicine components in percentage by weight: 5-20 percent of abrotanum, 5-20 percent of azedarach, 5-20 percent of cyrtomium fortunei, 5-40 percent of stemona, 5-20 percent of golden cypress, 5-20 percent of betel nut and 5-30 percent of omphalia, and the sum of the weight percentages are 100. According to the invention, medicines with components restraining or killing pathogens are selected to make a formula on the basis of traditional Chinese theories, breeding bait is added and absorbed by the host of a parasite, scuticoci liatldas parasitizing in the body or on the body surface of the host of the parasite are completely killed in a body fluid absorbing and supplying way, so that the traditional Chinese medicine preparation has the advantages that medicine feeding is simple, the medicine effect is quick, the insert killing effect is good, the recovery of the physique of the host of the parasite is quick, the survival rate is high, side effects and medicine residue are avoided, as a result, economical loss caused by scuticoci liatlda infection during the production processes of breeding and growing.

The invention discloses an incoming call no disturbing method and a mobile terminal. The incoming call no disturbing method comprises a first step of receiving an incoming call, determining whether to start a no disturbing mode according to a preset rule, when it is determined that the no disturbing mode needs to be started, executing a second step, when it is determined that the no disturbing mode does not need to be started, exiting; a second step of identifying which incoming call number group the incoming call number belongs to; and a third step of processing the incoming call according to the incoming call number group which the incoming call number belongs to. A user can perform classifying process on the incoming call by use of the method. The method does not affect the work and life of the user and improves the experience comfort degree of the user using the mobile terminal in entertainment and rest, thereby better meeting the demand of the user.

The invention provides a remote monitor system immune from individual state of motion, environment and locations. The system comprises an ear-wearing heart-rate monitor module, an individual posture monitor module, an individual positioning module, a data acquisition mobile terminal, a background server and a client. The ear-wearing heart-rate monitor module, the individual posture monitor module, the individual positioning module are all connected to the data acquisition mobile terminal. The data acquisition mobile terminal, the background server and the client are connected in sequence. The remote monitor system immune from individual state of motion, environment and locations can monitor physical signs of staff for special services in the course of executing special missions and directly transmit monitor information to a command center.

The invention relates to a high-activity modified metakaolin-based mineral admixture for concrete and a preparation method for the mineral admixture. The high-activity modified metakaolin-based mineral admixture for the concrete is prepared by mixing metakaolin and a composite modifying agent according to the mass ratio of 200:1 to 20:1, wherein the composite modifying agent is prepared by mixing 50 to 85 mass percent of stearic acid, 8 to 25 mass percent of calcium stearate and 7 to 25 mass percent of dimethyl silicone oil based on 100 mass percent. The high-activity modified metakaolin-based mineral admixture for the concrete and the preparation method for the mineral admixture have the advantages that 1) the early strength of the concrete can be remarkably strengthened; 2) the working performance of the concrete can be remarkably improved; 3) the osmosis resistance of the concrete can be improved; and 4) the mineral admixture is highly adapted to various kinds of cement and concrete additives.

The invention discloses an ear mounted type composite body temperature detection device for livestock. The ear mounted type composite body temperature detection device comprises a detector and an ear canal mounting device, wherein the detector comprises a central processor, a temperature sensor, a shell, a thrusting needle and a needle buckle matched with the thrusting needle; the central processor is mounted in the shell; the thrusting needle is mounted on the shell; the temperature sensor is connected with the central processor through a wire; in the ear canal mounting device, a gap is formed in the front section of the pipe wall of a sleeve; the front end of the sleeve is connected with a pressure cap; a tongue piece penetrates through the gap; two ends of a spiral spring are respectively in contact with the inner sections of the pressure cap and the tongue piece; a mandrel is arranged in the sleeve, and the front end of the mandril is in contact with the inner section of the tongue piece; the rear end of the mandrel is arranged outside the sleeve; an angle between the outer section and the inner section of the tongue piece is 95 to 150 degrees; the temperature sensor is arranged on the front side of the pressure cap. According to the ear mounted type composite body temperature detection device for livestock, the temperature sensor is mounted at the position, close to the eardrum, in the ear canal of the livestock, so that the livestock body temperature detection accuracy is obviously improved; furthermore, the ear mounted type composite body temperature detection device is mounted conveniently and stably and is favorable for application.

A method of performing targeted editing on a mitochondrial genome by utilizing CRISPR/Cas9 is provided. The method includes steps of constituting a MitoCRISPR vector of the mitochondrial genome; inserting a mitochondrion specific sgRNA into the MitoCRISPR vector to constitute a mitochondrion gene knockout or modified vector; and transferring the mitochondrion gene knockout or modified vector into a human or animal cell, thus achieving the objective of editing the mitochondrial genome of the human or animal cell. Cas9 protein and the sgRNA elements are transformed by the method so that the Cas9 protein and sgRNA elements enter a mitochondrion and target on a corresponding gene of the genome to perform gene knockout and modification to hope to clear mutant DNA in the genome, and therefore a plurality of mitochondrial diseases are expected to be treated.

The invention relates to a novel catalyst for alkylation separation of m-cresol and p-cresol and a separation method. Imidazole type ionic liquid 4-(3-methyl-1-imidazol)-1-butyl sulfonic acid hydrogen sulfate with the purity of 99% is taken as the catalyst for alkylation reaction of cresol. A cresol mixture and an alkylation reagent, namely methyl tert-butyl ether perform hydrocarbyl substitution reaction to generate di-tert-butyl substitutes (4, 6-di-tert-butyl-m-cresol and 2, 6-di-tert-butyl-p-cresol) of m-cresol and p-cresol with greater boiling point difference. The di-tert-butyl substitutes are separated by utilizing a rectification method according to the boiling point difference between the two, and then tert-butyl groups in the di-tert-butyl substitutes of the cresol are removed to obtain pure m-cresol and p-cresol so as to achieve the purpose of separating the m-cresol and the p-cresol. The transformation rate of the m-cresol after the reaction is 85-89%, the transformation rate of the p-cresol is 78-81%, and alkylation products are 6-tert-butyl-m-cresol, 2-tert-butyl-p-cresol, 4, 6-di-tert-butyl-m-cresol and 2, 6-di-tert-butyl-p-cresol.

The invention relates to the manufacturing field of batteries, and particularly discloses a storage battery lead terminal casting mould. A left template and a row orientation plate of the casting mould are connected through an automatic buckling device, and further, a first press block is connected with the row orientation plate by a movable buckle. The automatic buckling device is arranged to make the row orientation plate not move firstly in mould opening, and the press block and an insert pin move backwards, so after the insert pin is separated from a lead terminal product, the row orientation plate is separated from the left template to complete mould opening, the product can not move along with the mould opening, and caused appearance deformation or damage of the product is avoided. The movable buckle is arranged to not only ensure the functions, but also make the whole mould opening process more coherent, which facilitates operation. Further, the left template is also provided with a stop block so as to accurately position a gate late, the internal structure of the cast lead terminal product is compact, and the defective rate of products is reduced. The lead terminal product of the casting mould disclosed by the invention has attractive appearance, is not deformed, has a compact internal structure, and provides guarantee for the storage battery quality.

The invention relates to chirality phosphine ligand metal complex catalyse system, which is composed by complex formed by ligand and metal Rh, Ru, Ir, Pt or Pd or ligand and metal precursor in of 1-2 mol ratio. The phosphine ligand is a kind of effective chirality phosphate ligand composed by D-mannitol or L-mannitol after reaction. The catalyst composed by the chirality ligand and rhodium metallic compound in asymmetry hydrogenation reaction can work in room temperature. With a wide applied range, catalyst's activation and stereoselectivity is not influenced from normal pressure to high pressure. Reaction time is 1-24 hours. Mol ratio of ligand and metal rhodium compound is 1:1-2:1. Ratio of reactant and catalyst is 100-10,000.

The invention relates to the technical field of intelligent household equipment, in particular to an outdoor storage box connected with an intelligent household management system. The outdoor storage box comprises a bearing plate, a connecting plate, a storage bag, a locking part, a buckling part, a bearing frame and two hinge rods; the left end and the right end of the bearing plate extend towards the two sides of the bearing plate respectively to form two auxiliary plates, and the locking part is arranged at the upper end of the bearing plate; one end of each of the two hinge rod is hinged to the lower end of the corresponding auxiliary plate, and the other end of each hinge rod is hinged to the upper end of the connecting plate; the bearing frame is arranged at an opening of the storage bag in a sleeving mode and connected with the opening of the storage bag, the middle of the storage bag is located between the two hinge rods and connected with the two hinge rods, two ends of the bearing frame are hinged to the lower ends of the two auxiliary plates respectively, and the bearing frame is provided with the buckling part. The bearing plate is connected with the connecting plate through the hinge rods, the bearing frame is connected with the opening of the storage bag to form a box body capable of storing articles, and the household intelligent article storage box and a monitoring unit have the advantages of being convenient to use, small in occupied space, simple in structure, low in production cost and high in safety.

The invention relates to an integrated working machine for a non-excavation pipeline, belonging to the field of engineering machinery. A rigid working head, a supporting machine, a pipe wall tensioning machine, a spiral pusher, a supporting machine and a control box are spliced to form the integrated working machine for the non-excavation pipeline. The working machine provided by the invention isspecial machinery specially used in cleaning silt, cleaning and checking the dragging and pushing operation in a pipe for a pipeline at the state of non-excavation, and can maintain the partial defects of the inner part of the pipe. The working machine has the advantages of small flooring area, low noise, rapid speed, high concealment, good enginnering safety and civilized construction, does not damage to the ground environment, does not influence traffic, the normal life and working order for people, is environmentally-friendly construction machinery, and is good helper for management pesonnel and maintaining personnel for city management; and the machine has the advantages of working efficiency, low construction cost, energy conservation, time and labor conservation, and high automoticity and is simple in operation, is convenient to maintain the pipeline, the service life of a pipe body is prolonged, the operation cost of the pipeline is reduced, and the econimoc benefit is improved.