103 results about "Weak interaction" patented technology

The invention relates to an oil-displacing agent for enhancing crude oil recovery efficiency in tertiary recovery and a preparation method thereof, belonging to the technical field of intensified oilproduction in oil fields. The surface active agent used in the invention comprises following components in percentage by weight: 0.01-0.3 percent of water soluble high molecular polymer, 0-20 percentof non-ionic surface active agent, 5-65 percent of anion active agent, 0-5 percent of ampholytic active agent, 0.01-1.5 percent of additive and the balance of water. The oil-displacing agent and the polymer are based on a novel intensified oil displacing system which has complementary structure and good compatibility and is obtained by various associations and the interaction among molecules. Thesystem has the performances of high temperature resistance, salt resistance, higher viscosity, ultralow interfacial tension, and the like, is in accordance with the environmental requirement and can obviously enhance the oil recovery efficiency of oil fields after being used for oil-displacing.

Methods, systems and arrangements are provided for obtaining electroencephalograph (“EEG”) EEG signals from a patient e.g., during a concurrent EEG / MRI examination of the patient. The methods, systems and arrangements include a cap made of conductive inks with sensor positions for attaching a plurality of sensors to the patient's head. The sensors can include electrodes as well as motion sensors for improving EEG signal quality and MRI image quality in the presence of motion noise and other artifacts within the MRI environment. The electrodes may be composed of conductive inks, and can be used in high magnetic fields due to a weak interaction with the RF fields generated by the MRI scanner. The exemplary methods, systems and arrangements can achieve lower SAR and lower temperature increase, as compared to conventional electrodes.

The invention discloses an interaction method, a device and a system based on live video broadcast, relates to the Internet technology field and can solve a problem of weak interaction between an anchor and spectators. The method mainly comprises steps that a live video broadcast data flow, the interaction zone division information and interaction types are acquired by a server; the live video broadcast data flow and the interaction zone division information are sent to a client so as to make the client generate and display interaction zones according to the interaction zone division information in a live video broadcast data flow playing process; the selected interaction zones reported by the client are received; according to interaction statistics rules corresponding to the interaction types, statistics of each zone is carried out, and an interaction result is acquired. The method is mainly applicable to an occasion for realizing interaction between the anchor and the spectators in a live broadcast process.

Touch sensitivity is enabled using a touch system that comprises a panel configured to conduct signals, e.g. by TIR, along detection lines across a touch surface. A signal processor operates to obtain observed values for the detection lines, and identify an interaction pattern on the touch surface as a solution to an optimization function that comprises an aggregation of differences, for each detection line, between the observed value and a projected value, which is given by a projection function that defines a functional relation between the interaction pattern and the projected value for each detection line. The signal processor implements a normalization to ensure that the interaction pattern indicates weak touches even in the presence of strong touches. The normalization involves computing a respective normalization value for each of the differences as a function of the observed value for the respective detection line; and applying the respective normalization value so as to normalize the respective difference in the optimization function.

The embodiment of the invention discloses a compound. In the technical scheme, selecting a plane rigid trapezoid molecule s-indacene [1,2-b:5,6-b'] dithiophene containing sulphur atoms as a core, and utilizing the inter-lapping of pi electron cloud and the weak interaction of sulphur atoms to realize the strong interaction of the molecules; introducing dicyanovinyl of strong electron-withdrawing in the radial direction of the trapezoid core to reduce the unoccupied highest molecular orbital energy level of the molecule and simultaneously expand the degree of conjugation in the radial direction of the molecule so as to realize the effective injection and transmission of the electron; and introducing alkyl at the end of the trapezoid core to improve the self-organizing capability of the molecule during the process of film formation, thereby achieving a high ordered film to be used in an organic film transistor. The experiment shows that the electron mobility of the organic semiconductor material composed of the compound provided by the invention is 0.33cm2 / V.s, and the electron mobility of the organic semiconductor material provided by the invention is significantly increased than the electron mobility of the organic semiconductor material provided by the prior art.

The invention discloses a preparation method of a catalyst for highly-selectively preparing low carbon olefin from synthetic gas. The method of the invention adopts an inert iron source precursor and an inert catalyst carrier, directly loads the carrier with the inert iron source, and thus obtains a catalyst with weak interaction between metal and the carrier. The catalyst is applicable to Fischer-Tropsch synthesis reaction, realizes highly-selective conversion of synthetic gas into low carbon olefin, can well inhibit the generation of methane, is simple in preparation method, and has very good application prospects.

The invention relates to an enhanced foam oil-displacing agent for improving the oil recovery rate in tertiary oil recovery, and a preparation method of the enhanced foam oil-displacing agent; the foam oil-displacing agent comprises the raw materials by weight percent: 0.2-0.95% of anionic surfactant, 0.01-2.0% of nonionic surfactant, 0.01-0.15% of water-soluble polymer, 0.01-0.05% of additive and the balance of water. A novel enhanced foam oil-displacing system is formed by carrying out multiple associations and intermolecular weak interaction between the enhanced foam oil-displacing agent and the polymer based on complementary structure and good compatibility. The system has the properties of resisting salt and oil, being higher in viscosity and ultralow in interfacial tension and the like, and is in accordance with the requirements of environmental protection, so that the oil recovery rate is obviously improved when the system is used for an oil field.

As a result of investigating the optimum conditions of methods for immobilizing proteins that interact with sugar chains onto a substrate, it was revealed that coating the surface of a slide glass with GTMS enables immobilization at a higher S / N ratio than conventionally possible. Moreover, by using a substrate to which a rubber with a number of holes was affixed to form a number of reaction vessels, and further by spotting lectins onto the substrate and washing with PBST, the weak interactions between sugar chains and lectins were successfully detected with improved sensitivity. In addition, by introducing an evanescent excitation-type scanner, it became possible to detect the interactions between lectins and sugar chains without washing away the probe solution.

The invention belongs to the field of data excavation and discloses a protein functional module excavating method for multi-view data fusion. The method comprises the following steps: firstly performing quantifying description on strong and weak interaction of multiple data sources on protein and forming multi-view data; further performing uniform matrix decomposition on the multi-view data by utilizing a polymerization nonnegative matrix algorithm provided by the invention; determining the functional module of the protein by virtue of obtaining the optimal approximation of the multi-view information. The protein functional module excavating method for multi-view data fusion, provided by the invention, aims at simultaneously analyzing multiple biodata and comprises gene coexpression, GO annotation and PPIN and can be used for extracting the protein functional module with the most consistent polymerization characteristic from the multi-view. The method disclosed by the invention is especially suitable for interaction networks and biodata of the protein and meanwhile can be applied to community excavation problems of social complex networks and communication networks.

A compression technique compresses interaction data. The interaction data can include a matrix of interaction data used in solving an integral equation. For example, such a matrix of interaction data occurs in the moment method for solving problems in electromagnetics. The interaction data describes the interaction between a source and a tester. In one embodiment, directional sources and / or directional testers are described. The directional sources produce a very weak (or negligible) effect except in selected directional regions. The directional testers are relatively insensitive to an incoming effect except in selected directional regions. Depending on their locations and directional properties, relatively many of the directional sources and directional testers interact weakly (or negligibly). The weak interactions can be effectively removed from the interaction matrix, thereby reducing the effective size of the interaction matrix.

The invention discloses a titanium-contained aluminum oxide carrier and a preparation method thereof. The preparation method comprises the following steps: adopting aluminium hydroxide gel prepared by a fused salt supersolubilizing micelle method as a raw material, adding titanium-contained seriflux, moulding, drying and baking to obtain the carrier. In the preparation process, thanks to surfactants and hydrocarbon components contained in the aluminium hydroxide gel, the moulded and baked carrier contains clavate nano aluminum oxide which is randomly piled up to develop a frame structure; and moreover, the adoption of the titanium-contained seriflux does not destroy the perfoliate pore canal of the clavate nano aluminum oxide and has weak interaction with the aluminum oxide carrier, thereby facilitating macromolecule substance to diffuse on a titanium oxide surface for reaction. The titanium-contained aluminum oxide carrier of the invention has the advantages of big pore volume, big pore diameter, high porosity, bigger orifice of outer surface and sound penetrability of the pore canal, facilitates increasing impurity deposition, and prolongs running period of catalysts.

The invention relates to a polyceptor-structure small molecule compound. The compound is of the structure as shown in the formula I or formula II. In the formula I or formula II, A is an electrondrawing group containing carbonyl, cyanogroup, ester group and acylamino, and D and D' are respectively selected from any one kind of aromatic group containing thiophene. The compound is of a conjugated structure based on 5,6-difluoro benz-[c][1,2,5] thiadiazole. Conjugation between A and D is achieved through carbon-carbon double bonds to generate an intense charge transfer effect. Meanwhile, sulphur atoms containing nitrogen atoms, fluorine atoms and a thiophene ring are weak in interaction, so that the planar structure of a molecule can be improved greatly, and photoelectric converting efficiency as high as 9.34% and fill factors higher than 0.7 can be obtained.

The invention discloses an ester glycosyl phase selective oleophylic gelator as well as a preparation method and application thereof in oil gelatinization. Mannitol and medium / long alkyl chain acyl chlorides are taken as raw materials, and the selective oleophylic gelator is prepared through O-esterification reaction. Due to the / long alkyl chain, the ester glycosyl phase selective oleophylic gelator disclosed by the invention can selectively enter an oil phase in an oil-water mixture, self-assembling can be achieved in the oil phase through the weak interaction of intermolecular hydrogen bonds, a physically crosslinked supramolecular structure can be formed, furthermore the oil phase is immobilized through interfacial tension and capillary action, then the oil phase has no mobility, and the effect of gelatinization can be achieved. The problems that a conventional similar gelator is complex in preparation process, high in catalyst cost, and low in gelatinization efficiency are solved, and the ester glycosyl phase selective oleophylic gelator has a relatively good application prospect in the fields of offshore overflow oil recycling and rapid industrial oil-containing wastewater separation.

The invention relates to a preparation method and an application for nitrogen phosphorus co-doped porous carbon. A precursor copolymer is self-assembled through a one-step method; and high-temperature roasting is performed to prepare the nitrogen phosphorus co-doped porous carbon. A prepared catalyst material is obvious in porous structure and large in specific surface area; and more catalytic active sites are exposed, so that the electro-catalysis oxygen reduction activity can be improved. The preparation method for performing precursor copolymerization by using simple weak interaction to further synthesize a material with a certain morphology is simple in step and easy in operation; and a synthesis mechanism of the preparation method has an important enlightening effect for large-scale design synthesis of a nanometer material in the future and application of the material to the research of the fields of electro-catalysis, supercapacitors, adsorption separation and the like.

The invention discloses a supermolecule corrosion inhibitor for copper and copper alloy and a high-speed mixing preparation method thereof, belonging to the technical field of metal corrosion and protection. The supermolecule corrosion inhibitor comprises the following components in parts by mass: 20-30 parts of a cyclodextrin derivative, 5-10 parts of an organic imidazole compound, 10-20 parts of an inducer and 40-600 parts of water, and is prepared by stirring at high speed. According to the supermolecule corrosion inhibitor for copper and copper alloy, the organic imidazole compound and cyclodextrin derivative are used for forming a subject-object supermolecule structure through weak interaction such as hydrophobic effect and hydrogen bond, so that the solubility and dispersibility of the organic imidazole compound in water are improved. The supermolecule corrosion inhibitor for copper and copper alloy has strong universality and good anti-corrosion effect, the use amount is less, when the chemical dosing concentration is 20-60mg / L, the corrosion rate of the copper and copper alloy can be controlled to be less than 0.005mm / a, effective components of the supermolecule corrosion inhibitor can be released uniformly, and the supermolecule corrosion inhibitor can work for a long period with chemical dosing once.

The invention relates to a catalyst carrier, a supported catalyst and a preparation method and application thereof and mainly solves the problem that metal nanoparticles are prone to gathering, growing and shedding in the process of multiphase catalytic reaction due to weak interaction force between a carbon material and loaded metal nanoparticles. A boron doped carbon material is obtained by adopting biomass sugar and a born-containing compound as precursors and performing high-temperature calcining, so that the above problem is well solved. The doped carbon material highly interacts with themetal nanoparticles; when the doped carbon material serving as a carrier loads the metal nanoparticles, the metal nanoparticles can be dispersed uniformly, gathering and shedding of the metal nanoparticles in the process of catalytic reaction are effectively contained, and activity and stability of the catalyst are improved remarkably. The doped carbon material is extensive in raw material source, low in cost, easy to obtain, simple in preparation process and good in application prospect and is an ideal metal nanoparticle carrier material.

The invention discloses preparation and application of an unsupported hydrodesulfurization catalyst with a hydrotalcite-like laminated structure. According to the catalyst, W is taken as an active component, and Ni and Zr are auxiliaries. Firstly, Ni, Al and Zr are introduced into hydrotalcite laminates with a coprecipitation method, W is introduced between the hydrotalcite-like laminates with an ion exchange method, and the NiWAlZr catalyst with the hydrotalcite-like special laminated structure is prepared through roasting, so that high dispersion and weak interaction of the active component are realized. The prepared catalyst shows higher hydrodesulfurization activity in the hydrodesulfurization reaction of an oil product.

The invention discloses a Salen Zn (II) coordination compound and a preparation method and application thereof. The Salen Zn (II) coordination compound has a cation structure as shown in a general formula (I). The invention optimizes a preparation process of a Salen metal coordination compound, shortens the reaction time and enhances the productivity; and the obtained Salen Zn (II) coordination compound has very good water solubility. The Salen Zn (II) coordination compound forms a coordination bond by utilizing the axial coordination capability of the Salen metal coordination compound and an electron donor contained in a single chain part basic group of an RNA (Ribonucleic Acid) structure and is an RNA composite reagent which has more affinity compared with electrostatic interaction and weak interaction, i.e. hydrophobic interaction, hydrogen bond, Pi-Pistacking, and the like, thereby more effectively blocking the reverse transcription of a reverse transcriptase on virus RNA and providing a certain theoretical foundation for the development of drugs for treating major diseases (such as Aids, cancers, leukemia, and the like) caused by reverse transcriptase viruses.

A mixture of one or more target molecules and functional monomers having functional groups, which are able to interact with the target molecules, is polymerized so as to form a target molecule recognition polymer (MIP) complex to which target molecules are bound, and a functional group which is contained in the MIP complex but is not bound to the target molecule is deactivated. This makes it possible to suppress binding of a non-target molecule that can be bound to the MIP by weak interaction. Thus, it is possible to provide an MIP exhibiting a high selectivity even when high molecular weight molecules like biomolecules are used as the target molecules.

The invention discloses a code-scanning login method based on a parameter-containing two-dimensional code of a wechat official account. The method includes the following steps that 1, an application in a weak interaction terminal builds socket connection with a server terminal; 2, a server generates a unique socketId to return the unique socketId to the terminal through a communication channel; 3, the terminal obtains the socketId and the unique deviceId of equipment and requests the parameter-containing two-dimensional code from the server terminal; 4, the server terminal makes the socketId, and the deviceId bound with a scene Id of the two-dimensional code, stores the socketId and the deviceId into a database or a cache, and returns the parameter-containing two-dimensional code to the terminal; 5, a user uses the wechat for scanning the code; 6, the server terminal obtains a user code-scanning event parameter fed back by the wechat official account, the socketId is obtained from the code-scanning event parameter, according to the socketId and the deviceId bound with the scene Id, logged-in information and skip parameters are fed back to the terminal, and meanwhile, and according to the user openid in the code-scanning event parameter, operation prompt information is pushed to the user. The rapid login method is achieved, the user is guided to perform complex operation on a mobile phone and other mobile devices, and meanwhile the Wechat official account is automatically subscribed.

The invention relates to a high-bonding-strength environment-friendly supermolecular physical gel adhesive and a preparation method thereof, and belongs to the technical field of preparation of a water-based adhesive. The preparation method comprises the following steps: dissolving nanoparticles into water, stirring until the nanoparticles dissolve completely, adding one or two monomers and stirring until the monomers dissolve completely; adding an initiator into deionized water, performing ultrasonic treatment until the initiator dissolves completely, and adding an initiator solution into a prepolymerization solution containing the nanoparticles and the monomers; adding a catalyst, stirring and allowing standing still at room temperature to obtain the gel adhesive. The gel adhesive is formed on the basis of multiple weak interaction hydrogen bonds among polymers, chain entanglement as well as the physical adsorption effect between the nanoparticles and the polymers; the forming process is simple and efficient; organic solvent do not need to be added in the preparation process; the adhesive does not have peculiar smell and is non-toxic and environmentally friendly; the use raw materials are the common chemical raw materials and are low in price. The adhesive is applied to adhesion of various materials such as optical glass, metal, wood and plastic, and has high bonding strength.

The invention discloses a method for preparing a phenylamino porphyrin self-assembled nanomaterial by adopting a co-solvent method. The method comprises the following steps: 1) preparing CTAB, SDS, MTAB or P123 aqueous solution; 2) preparing a DMF solution of phenylamino porphyrin; and 3) adding the solution in the step 2) into the solution in the step 1), stirring for 40-50h at 25 DEG C, and performing centrifugal separation, to obtain a solid, namely the phenylamino porphyrin self-assembled nanomaterial. The method has the advantages of the original methods, the yield problem can be solved as a great amount of phenylamino porphyrin is dissolved in the DMF solution; by taking micelle as a confinement template, the self assembling can be conducted under the assistance of an emulsifying agent by changing the soluble state of phenylamino porphyrin molecules into a non-soluble state through the weak phase interaction between molecules, finally the porphyrin molecule assembled body with controllable shapes can be obtained, and the assembled material has an important role in the fields of photocatalysis, nanodevices and the like.

The invention discloses a corrosion inhibitor with a supermolecule structure for copper and copper alloy and a superfine grinding preparation method of the corrosion inhibitor, and belongs to the technical field of metal corrosion and protection. The supermolecule corrosion inhibitor comprises 30-70 parts by weight of cyclodextrin derivatives, 10-50 parts by weight of organic azole compound, 5-20 parts by weight of inductive agent and 6-60 parts by weight of water. The supermolecule corrosion inhibitor for the copper and the copper alloy has the advantages that the solubility and dispersity of the organic azole compound in water are improved by using a subject and object supermolecule structure formed by using the organic azole compound and the cyclodextrin derivatives through the hydrophobic effect and the weak interaction of hydrogen bonds and the like. The supermolecule corrosion inhibitor for the copper and the copper alloy has strong universality and an excellent anti-corrosion effect; the using amount of the supermolecule corrosion inhibitor is small; when the dosing concentration of the supermolecule corrosion inhibitor is 20-50mg / L, the corrosion inhibition efficiency of the copper and the copper alloy in a condensed water and cooling water system can reach above 90%; effective components in the supermolecule corrosion inhibitor are uniformly released; the long-period operation is carried out only by one-times addition of the corrosion inhibitor.

The invention provides an electron-transport polymer semiconductor material based on pyridine substituted pyrrolopyrroledione and applied to an organic field effect transistor. The material is represented as the structural formula (I). In the material, pyridine substituted pyrrolopyrroledione, having strong electron absorption capability and good planarity, serves as a first polymerization monomerand tetrafluorobithiophene and tetrafluorobithiophene ethylene serve as second polymerization monomers; a plurality of fluorine atoms are introduced onto the thiophene unit, so that highest occupiedmolecular orbital (HOMO) energy level and lowest unoccupied molecular orbital (LUMO) energy level of the polymer are both reduced, and the polymer shows an n-type transportation character. By means ofthe weak interactions of F-S and F-H, interchain interaction of the polymer is improved, so that the organic field effect transistor with the polymer semiconductor material has high electron mobilitycapable of reaching up to 2.45 cm<2> / V*s.

The invention relates to the field of synthesis of organic-inorganic hybrid color-changing materials, and in particular relates to a dimethylated 2-phenylbenzimidazole iodoargentate photochromic material based on double mechanisms of intermolecular electron transfer and inorganic component iodoargentate photolysis as well as a preparation method and application of the photochromic material. A dimethylated 2-phenylbenzimidazole iodoargentate hybrid has a chemical formula of {[C15H15N2][Ag3I4]}n, uses [C15H15N2]<+> as a dimethylated 2-phenylbenzimidazole cation, forms a supramolecular cation layer by weak interaction of pi-pi and uses [Ag3I4]n<n-> as a 2D anion layer. The photochromic material based on the double mechanisms of the intermolecular electron transfer and the inorganic componentiodoargentate photolysis provided by the invention can generate photochromism under irradiation of ultraviolet light, can generate reversible color change at temperature higher than room temperature or in a dark room, and obtains a super-fast and multi-color response crystalline material.

The present invention relates to a method of screening a biological target for transient weak interactions between the target and a library of ligands. The method includes the provision of a composition comprising a biological target and the provision of a plurality of stationary phases from such a composition. A plurality of ligand compositions is transported to the stationary phases to establish contacts between the ligands and the biological targets. Zonal retardation information are collected for each ligand, downstream of the stationary phases in order to select ligands with dissociation constants (Kd) in the range of 0.01 to 10 mM, exhibiting weak affinity to the target.

The present inventors discovered that lectins recognize extremely small differences in sugar chain structures, and that by using this ability to recognize sugar chain structures, numerous sugar chain structures can be distinguished using the strong or weak interaction patterns of about ten types of lectins. Therefore, by reference to and use of control interaction data, in which large amounts of data on the interactions between sugar chains and lectins have been collected, the structures of subject sugar chains can be identified, estimated, and such with high accuracy.

The invention belongs to the field of solar cells, in particular relates to an interface modification method of an organic metal halide perovskite solar cell, and provides a method for modifying a perovskite crystal grain interface and a perovskite / hole transport layer interface in the organic metal halide perovskite solar cell. Phthalocyanine is added to an anti-solvent for preparing a battery, and the phthalocyanine molecules are attached to a perovskite crystal grain interface and a perovskite / hole transport layer interface through weak interaction between the phthalocyanine molecules and aperovskite precursor cation. Compared with a perovskite solar cell without phthalocyanine interface modification, the stability of the modified perovskite solar cell under atmospheric environment andillumination is greatly improved, and the corresponding cell efficiency is higher. The method has important significance for the industrialization of the perovskite solar cell in the future. The method can improve the stability of the organic metal halide perovskite layer under atmospheric environment and illumination, and improve the efficiency of the perovskite solar cell.

The invention discloses an electromagnetic analysis method on the basis of matrix Taylor series expansion. The electromagnetic analysis method comprises the following steps: 1) carrying out target modeling and dispersing, determining strong interaction and weak interaction matrix ranges according to grouping information, and constructing a preconditioned matrix according to near field information; 2) using a strong interaction matrix to normalize an equation, carrying out the Taylor series expansion on the normalized equation, decomposing scattering current to be solved into one series of current summation forms, and gradually approximating to the scattering current through a nested solving method until solving accuracy is achieved; and 3) utilizing the scattering current obtained in 2) to determine a target radar scattering cross section. In a solving process, a sparse approximate inverse precondition is used to quicken an iteration process, and meanwhile, a fast multi-pole algorithm is used to quicken moment vector multiplication. The method has the characteristics of being quick in convergence.