Abstract: The present disclosure provides a honeycomb catalyst for catalytic oxidative degradation of VOCs prepared by an ultrasonic double-atomization process.

Abstract: The present disclosure relates to a polymerizable surfactant with reducibility and a preparation method thereof. The acid anhydride is reacted with a long-chain fatty alcohol to obtain an intermediate of an anhydride monoester, and then the obtained intermediate is reacted with the hydrochloride of dimethylaminohalogenated alkane, and a polymerizable surfactant with reducibility is obtained by post-processing. The polymerizable surfactant can not only play a role as a reactive emulsifier and copolymerize with monomers to obtain a soap-free emulsion, but also form a redox initiation system with peroxide, and conduct redox emulsion polymerization at room temperature.

Abstract: Embodiments of the present disclosure provide a method of modifying a surface of a film with an inverse miniemulsion, the method comprising: preparing an inverse miniemulsion loaded with a precursor, and then configuring an alkaline miniemulsion, and finally preparing an oxide nanocrystal surface-modified film by a solvothermal process. Embodiments of the present disclosure drive an oxide nanocrystal precursor preloaded in the inverse miniemulsion to migrate to the surface of the film during a solvent thermal treatment by utilizing a pH-responsive polymer that changes the nature of the polymer in the presence of a change in pH, resulting in the formation of the oxide nanocrystal modification on the film surface. The functional film materials modified by the embodiments of the present disclosure have potential applications in the fields of semiconductor, photosensitivity and photoluminescence.

Abstract: A method for preparing a graphene/copper composite deformed copper-chromium-zirconium alloy layered strip is provided.

Abstract: Silicon-based composite material is provided, comprising a co-blended material having a porous structure, a sodium bismuth titanate (Bi0.5Na0.5) TiO3 piezoelectric material encapsulated on the surface of the co-blended material, and the co-blended material comprising a co-blended porous Si/C material and a multi-walled carbon nanotube. The silicon-based composite material has a porous structure that provides a multi-path transport channel for lithium ions and provides an effective buffer space for the volume expansion of the silicon; the conductive network constituted by the multi-walled carbon nanotubes CNTs is conducive to enhanced electron transfer which enables excellent reaction kinetics; the network structure composed of CNTs helps lithium ions to maintain structural stability in the process of de-embedded lithium, which in turn maintains high capacity at high currents and has high stability. The external stimulation of the sodium bismuth titanate (Bi0.5Na0.

Abstract: Embodiments of the present disclosure provide a method of modifying a surface of a film with an inverse miniemulsion, the method comprising: preparing an inverse miniemulsion loaded with a precursor, and then configuring an alkaline miniemulsion, and finally preparing an oxide nanocrystal surface-modified film by a solvothermal process. Embodiments of the present disclosure drive an oxide nanocrystal precursor preloaded in the inverse miniemulsion to migrate to the surface of the film during a solvent thermal treatment by utilizing a pH-responsive polymer that changes the nature of the polymer in the presence of a change in pH, resulting in the formation of the oxide nanocrystal modification on the film surface. The functional film materials modified by the embodiments of the present disclosure have potential applications in the fields of semiconductor, photosensitivity and photoluminescence.

Abstract: Devices for controlling to remove food waste digestion foam are provided. The device includes a digestion tank. The digestion tank includes two hermetically sealed boxes. Each of the two boxes is opened with a liquid inlet connected to an interior of each of the two boxes. A conveying mechanism is connected between the two boxes. The conveying mechanism conveys a gas in the two boxes in a reciprocal manner. The gas in the two boxes is conveyed in the reciprocal manner through the conveying mechanism to generate a pressure difference between the two boxes distributed left and right to remove the foam, which adopts physical defoaming without adding any reagent, is cost-effective and efficient, and does not affect an anaerobic reaction process due to addition of a chemical defoaming agent. The entire device has a simple structure and is easy to operate, and the process is controllable.

Abstract: A method for preparing a graphene/copper composite deformed copper-chromium-zirconium alloy layered strip is provided.

Abstract: Embodiments of the present disclosure provide a protective device for a submarine pipeline, comprising an internal pipeline, a protective casing, and a support explosion-proof assembly; wherein the protective casing is disposed outside the internal pipeline, and a cavity body is disposed between the protective casing and the internal pipeline; the support explosion-proof assembly is disposed in the cavity body; the support explosion-proof assembly includes a plurality of support columns, the support columns are disposed in the cavity body, and one end of the support columns away from the protective casing supported on the internal pipeline, the plurality of the support columns disposed at intervals in a circumferential direction along the internal pipeline, and an explosion-proof baffle with elastic deformation capability is disposed between two adjacent support columns.

Abstract: The present disclosure provides a honeycomb catalyst for catalytic oxidative degradation of VOCs prepared by an ultrasonic double-atomization process.

Abstract: The present disclosure discloses a method of a functional monomer in emulsion polymerization, belonging to the field of synthesis of functional monomers and methods of emulsion polymerization. The present disclosure obtains functional monomers TDMAMA and TDMAIA by synthesis, which may show different functions at different pH. By adjusting an H+/OH? content in an emulsion with an acid and alkali solution at a certain concentration, it is found that the functional monomers are both an emulsifier, a polymerizing monomer, and a reducing agent at a specific pH, at which the emulsion is stable, and may perform free-radical emulsion polymerization at room temperature, and high molecular weight polymer is obtained through a branched polymerization. When an H+ concentration is less than OH?, the emulsion is unstable and has flocculation, then the polymerization terminates, and emulsion breaking can be realized without adding an additional emulsion breaker.

Abstract: An asymmetric organic photovoltaic acceptor material in an A-D-D?-A type is provided. A backbone containing noncovalent conformational lock is co-constructed with alkoxyindenothiophene and cyclopentadithiophene two-electron donor (D-D?) unit, and the ends are modified with fluorine- and chlorine-atom-substituted 3-(dicyanomethylidene)inden-1-one. The acceptor containing only a simple condensed ring has multiple advantages such as a coplanar backbone, low energy disorder, and J-aggregation tendency, and this type of asymmetric small-molecule acceptor has a controllably adjustable optical bandgap in the range of 1.30-1.45 eV, which is capable of combining with most donor materials to construct highly efficient binary bulk heterojunction organic solar cell. When the donor material is polymer PM6, the photoelectric conversion efficiency of the binary organic solar cells (OSCs) device is as high as 13.67%, with an open-circuit voltage (Voc) of 0.85 eV and energy loss (Eloss) is only 0.50 V.

Abstract: An organic frame material having a cobalt-containing isopoly-molybdic acid metal, a method of manufacturing the same, and applications thereof are provided. The organic frame material having a cobalt-containing isopoly-molybdic acid metal includes a three-dimensional network structure comprising cobalt ions coordinated with 2,3,5,6-tetrafluoro-bis (1,2,4-triazole-1-methyl) benzene ligands and trinuclear molybdate anions. The organic frame material having a cobalt-containing isopoly-molybdic acid metal has higher catalytic activity towards the bulk ring-opening of p-dioxanone. The resulting poly(p-dioxanone) has a weight average molecular weight exceeding 70,000 and is capable of being applied in the field of high polymer materials.

Abstract: An isopoly-vanadic acid coordination polymer catalyst, method of manufacturing the same, and application thereof are provided. The isopoly-vanadic acid coordination polymer catalyst has a chemical formula of [Co(atrz)(V2O6)]. The atrz is a 4-amino-1,2,4-triazole ligand, and [V2O6] is a binuclear vanadate anion. The isopoly-vanadic acid coordination polymer catalyst shows strong thermal stability, and it is easy to synthesize with high reproducibility. The isopoly-vanadic acid coordination polymer catalyst has a good catalytic activity towards the bulk ring-opening of p-dioxanone. The resulting poly(p-dioxanone) is stable and uniform. The high molecular weight of the resulting poly(p-dioxanone) has great potential in high polymer materials, in particular the field of medical high polymer materials.

Abstract: The present disclosure relates to a device and a method for pipeline leakage detection. The device for pipeline leakage detection includes a metal powder storage box, a plurality of ribs, and a signal collection and processing device. The metal powder storage box is ring-shaped and made of insulating material, which is configured to be sleeved on a pipeline. Metal powder is stored inside of the metal powder storage box, and inner and outer peripheral walls of the metal powder storage box are of mesh structure, which allows the metal powder to be ejected from the metal powder storage box under the push of leakage fluid of the pipeline. The plurality of ribs are made of insulating material, which are distributed evenly along an outer peripheral wall of the metal powder storage box, and fixed on the metal powder storage box respectively, and a plurality of coils arranged in a layer are configured inside the plurality of ribs.

Abstract: An asymmetric organic photovoltaic acceptor material in an A-D-D?-A type is provided. A backbone containing noncovalent conformational lock is co-constructed with alkoxyindenothiophene and cyclopentadithiophene two-electron donor (D-D?) unit, and the ends are modified with fluorine- and chlorine-atom-substituted 3-(dicyanomethylidene)inden-1-one. The acceptor containing only a simple condensed ring has multiple advantages such as a coplanar backbone, low energy disorder, and J-aggregation tendency, and this type of asymmetric small-molecule acceptor has a controllably adjustable optical bandgap in the range of 1.30-1.45 eV, which is capable of combining with most donor materials to construct highly efficient binary bulk heterojunction organic solar cell. When the donor material is polymer PM6, the photoelectric conversion efficiency of the binary organic solar cells (OSCs) device is as high as 13.67%, with an open-circuit voltage (Voc) of 0.85 eV and energy loss (Eloss) is only 0.50 V.

Abstract: The present disclosure provides natural gas pipelines, methods for filling an explosion suppression component, and methods for an explosion suppression experiment. The natural gas pipeline may include a pipeline body and an explosion suppression component. The explosion suppression component may be provided within the pipeline body and may include at least one of a first explosion suppression component and at least one second explosion suppression component. The method may include forming a first explosion suppression component by performing a first process on an explosion suppression material; and forming at least one second explosion suppression component by performing a second process on the explosion suppression material. The first process may include cutting and winding, and the second process may include stacking and cutting seam expansion.

Abstract: An adaptive sealing device for pipeline porous leakage. The device includes a pressure protection device and an encircling sealing rubber cover. The pressure protection device is used to pressurize and seal the pipeline by the encircling sealing rubber cover. The device further includes a control mechanism connected with the pressure protection device for adjusting the sealing pressure of the pressure protection device on the pipeline. The device further includes an anti-retraction mechanism connected with the pressure protection device and the control mechanism for limiting the pressure protection device and/or the control mechanism.

Abstract: Embodiments of the present disclosure provide a method, system, and storage medium for predicting an area of oil spill on sea surface, the method for predicting the area of oil spill on sea surface includes: S1, obtaining a training dataset; S2, constructing an oil spill numerical model, and determining a predictive model by performing a predetermined processing on an initial predictive model based on simulation result data and the training dataset; S3, initializing the predictive model, determining a count of nodes of an input layer, an output layer, and a hidden layer; and S4, obtaining input data and inputting the input data into the predictive model in S2 to obtain an oil spill area on sea surface to be measured. The method, when used, has a small error and high accuracy, can save a lot of material and financial resources, and can be more widely used in real life.

Abstract: A ternary composite catalyst of diethylzinc and yttrium trifluoroacetate loaded on chitin for copolymerization of carbon dioxide, epoxy cyclohexane and ethylene oxide is provided. The ternary composite catalyst exhibits strong catalytic activity for the ternary copolymerization of carbon dioxide, cyclohexane oxide and ethylene oxide. A high molecular weight and content of ester chain is maintained. Conventional rare earth ternary catalysts leave residues in the polymer, and the polymer requires rinsing with hydrochloric acid. The ternary composite catalyst can be removed through filtration. The average molecular weight of the resulting polycarbonate is more than 100,000, and the ester chain content is more than 90%. The resulting polymer has a lower metal content. The ternary composite catalyst can be used in agricultural film, disposable packaging and other polymer materials.