Abstract: The present disclosure relates to the technical field of organic materials, and provides an organic electroluminescent material, an electronic element and an electronic device. The organic electroluminescent material has a structure as represented by Formula I. The organic electroluminescent material of the present disclosure is used in an organic electroluminescent device, and can effectively improve the performance of the device.

Abstract: The present application belongs to the field of organic materials, and relates to an organic compound, and an electronic element and an electronic device using same. The organic compound has a structure as represented by Formula I, and the organic compound can significantly improve the performance of an organic electroluminescent device when applied to the device.

Abstract: The present disclosure belongs to the technical field of gene therapy, and specifically relates to a series of lipid compounds as well as lipid vectors, nucleic acid lipid nanoparticle compositions, and pharmaceutical preparations containing the same. The compound having the structure of formula (I) provided by the present disclosure may be used in combination with other lipid compounds to prepare a lipid vector, which exhibits pH responsiveness, has high encapsulation efficiency for nucleic acid drugs, and greatly enhances the in-vivo delivery efficiency of nucleic acid drugs. Moreover, it is possible to select lipid compounds with different structures as lipid vectors to adjust the enrichment of nucleic acid drugs in different organs, thereby having good market application prospect.

Abstract: The present application relates to an organic compound, and an electronic component and electronic device having the same, and belongs to the technical field of organic electroluminescence. The organic compound of the present application has a structure shown in formula 1. When used in an electronic component, the organic compound of the present application can significantly improve the performance of the electronic component.

Abstract: The present application relates to an organic compound, and there are electron transport and injection groups and a conjugated fused heteroaromatic ring in a structure of the organic compound. The organic compound can be used in a functional layer of an organic light-emitting device (OLED). When used in an OLED, the organic compound of the present application can improve the light-emitting efficiency and service life of the OLED.

Abstract: The present disclosure belongs to the field of organic materials, and relates to an organic compound, and an electronic component and electronic device having same. The organic compound has a structure represented by a formula 1, and when the organic compound is applied in an organic electroluminescent device, the performance of the device can be significantly improved.

Abstract: The present application belongs to the field of organic materials, and relates to an organic compound, and an electronic element and an electronic device using same. The organic compound has a structure as represented by Formula I, and the organic compound can significantly improve the performance of an organic electroluminescent device when applied to the device.

Abstract: The present disclosure provides an organic compound and an electronic element and electronic device thereof, and belongs to the technical field of organic electroluminescence. The organic compound of the present disclosure includes a fused conjugated ring system and stereo-arylamino, which can effectively improve the thermal stability, membrane stability, and carrier mobility of the material. When used for an organic light-emitting device (OLED), the organic compound of the present disclosure can improve the light-emitting efficiency and life span of the OLED.

Abstract: The present invention belongs to the technical field of gene therapy, and particularly relates to a series of lipid compounds as well as a lipid carrier, nucleic acid lipid nanoparticle composition and pharmaceutical preparation containing the same. A compound having a structure of a formula (I) provided by the present invention can be used for preparing a lipid carrier together with other lipid compounds, and exhibits pH response, and the entrapment efficiency to a nucleic acid drug is high, which greatly improves in-vivo delivery efficiency of the nucleic acid drug; and furthermore, a lipid compound with a specific structure can be chosen as a lipid carrier based on an organ in which the nucleic acid drug needs to be enriched, having a good market application prospect.

Abstract: The present application belongs to the technical field of organic materials, and provides a nitrogen-containing compound, an electronic element, and an electronic device. The nitrogen-containing compound has a structure shown in formula 1.

Abstract: The present application relates to an organic compound, and an electronic device and electronic apparatus thereof. The organic compound of the present application has a structural formula shown in formula 1. When used in an electronic device, the organic compound of the present application can significantly improve the performance of the electronic device.

Abstract: The present invention belongs to the technical field of gene therapy, and particularly relates to a series of lipid compounds as well as a lipid carrier, nucleic acid lipid nanoparticle composition and pharmaceutical preparation containing the same. A compound having a structure of a formula (I) provided by the present invention can be used for preparing a lipid carrier together with other lipid compounds, and exhibits pH response, and the entrapment efficiency to a nucleic acid drug is high, which greatly improves in-vivo delivery efficiency of the nucleic acid drug; and furthermore, a lipid compound with a specific structure can be chosen as a lipid carrier based on an organ in which the nucleic acid drug needs to be enriched, having a good market application prospect.

Abstract: The present disclosure belongs to the technical field of gene therapy, and specifically relates to a series of lipid compounds as well as lipid vectors, nucleic acid lipid nanoparticle compositions, and pharmaceutical preparations containing the same. The compound having the structure of formula (I) provided by the present disclosure may be used in combination with other lipid compounds to prepare a lipid vector, which exhibits pH responsiveness, has high encapsulation efficiency for nucleic acid drugs, and greatly enhances the in-vivo delivery efficiency of nucleic acid drugs. Moreover, it is possible to select lipid compounds with different structures as lipid vectors to adjust the enrichment of nucleic acid drugs in different organs, thereby having good market application prospect.

Abstract: A regeneration method for a liquefied gas thiol-removing alkaline solution comprising the following steps: performing an oxygenation reaction with respect to a liquefied gas thiol-removing alkaline solution and, at the same time, utilizing a high air-liquid condition to extract a disulfide and a polysulfide into a gas phase, thus completing the separation of the disulfide and the polysulfide from the alkaline solution, and implementing the regeneration of the liquefied gas thiol-removing alkaline solution.

Abstract: The present disclosure provides a method and apparatus for displaying a picture search result page, a device and a storage medium, wherein the method comprises: obtaining a search term input by a user; determining a timeliness event corresponding to the search term; displaying a search result page corresponding to the search term, and increasing a display effect corresponding to the timeliness event on the search result page. The solution of the present disclosure may be applied to enhance the display effect.

Abstract: A method and system for determining contact angles of porous media, including: in a displacement simulation experiment, injecting a displacement fluid into a actual core sample, and performing computed tomography scanning on the core to determine three-dimensional images at different oil displacing time points; segmenting different phases of the three-dimensional images to obtain segmented three-dimensional images; marking a contact line between different phases according to the segmented three-dimensional images, where the phases are underground fluids or displacement fluids and a rock matrix in the displacement simulation experiment; and determining a contact angle of the porous media at different 3D positions at different time points according to the contact line. The method and system provided can obtain the dynamic changing process of the contact angle at different 3D positions in the core at different displacement time points, reflect the wettability of the real reservoir environment more accurately.

Abstract: The invention discloses a method for preparing maleate by selective catalytic oxidation of lignin. The method uses a heteropolyacid functionalized ionic liquid as a catalyst, and an aqueous alcohol solution as a reaction medium to achieve high-efficiency selective catalytic conversion and ring opening oxidation of biomass lignin at a reaction temperature of 110-160° C. and an oxygen pressure of 0.5-1.0 MPa for 1-6 h. The selectivity of maleate is higher than 47.83%. The yield and selectivity of a single chemical derived from the depolymerization of lignin in the present invention are much higher than the prior art, and the ionic liquid catalyst exhibits outstanding advantages such as availability of recovery and recycling through simple temperature adjustment; the reaction conditions of the present invention are mild, and the process is green and safe, easy to operate, and available for batch and continuous production.

Abstract: A regeneration method for a liquefied gas thiol-removing alkaline solution comprising the following steps: performing an oxygenation reaction with respect to a liquefied gas thiol-removing alkaline solution and, at the same time, utilizing a high air-liquid condition to extract a disulfide and a polysulfide into a gas phase, thus completing the separation of the disulfide and the polysulfide from the alkaline solution, and implementing the regeneration of the liquefied gas thiol-removing alkaline solution.

Abstract: The present invention discloses a method and system for determining contact angles of porous media. The method includes: in a displacement simulation experiment, injecting a displacement fluid into a real core, and performing computed tomography (CT) scanning on the core to determine three-dimensional images at different oil displacing moments; segmenting different phases of the three-dimensional images to obtain segmented three-dimensional images; marking a contact line between different phases according to the segmented three-dimensional images, where the phases are underground fluids or displacement fluids and a rock matrix in the displacement simulation experiment; and determining a contact angle of a porous medium at different positions at different moments according to the contact line.

Abstract: The invention discloses a method for preparing maleate by selective catalytic oxidation of lignin. The method uses a heteropolyacid functionalized ionic liquid as a catalyst, and an aqueous alcohol solution as a reaction medium to achieve high-efficiency selective catalytic conversion and ring opening oxidation of biomass lignin at a reaction temperature of 110-160° C. and an oxygen pressure of 0.5-1.0 MPa for 1-6 h. The selectivity of maleate is higher than 47.83%. The yield and selectivity of a single chemical derived from the depolymerization of lignin in the present invention are much higher than the prior art, and the ionic liquid catalyst exhibits outstanding advantages such as availability of recovery and recycling through simple temperature adjustment; the reaction conditions of the present invention are mild, and the process is green and safe, easy to operate, and available forbatch and continuous production.